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Digital distribution, also referred to as content delivery, online distribution, or electronic software distribution, among others, is the delivery or distribution of digital media content such as
audio Audio most commonly refers to sound, as it is transmitted in signal form. It may also refer to: Sound *Audio signal, an electrical representation of sound *Audio frequency, a frequency in the audio spectrum * Digital audio, representation of soun ...
,
video Video is an Electronics, electronic medium for the recording, copying, playback, broadcasting, and display of moving picture, moving image, visual Media (communication), media. Video was first developed for mechanical television systems, whi ...
,
e-books An ebook (short for electronic book), also known as an e-book or eBook, is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. Al ...
,
video game Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, game controller, controller, computer keyboard, keyboard, or motion sensing device to gener ...
s, and other
software Software is a set of computer programs and associated software documentation, documentation and data (computing), data. This is in contrast to Computer hardware, hardware, from which the system is built and which actually performs the work. ...
. The term is generally used to describe distribution over an online delivery medium, such as the
Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a ''internetworking, network of networks'' that consists ...
, thus bypassing physical distribution methods, such as
paper Paper is a thin sheet material produced by mechanically or chemically processing cellulose fibres derived from wood, Textile, rags, poaceae, grasses or other vegetable sources in water, draining the water through fine mesh leaving the fibre e ...
,
optical disc In computing and optical disc recording technologies, an optical disc (OD) is a flat, usually circular disc that encodes binary data (bits) in the form of pits and lands on a special material, often aluminum, on one of its flat surfaces. ...
s, and VHS videocassettes. The term online distribution is typically applied to freestanding products; downloadable add-ons for other products are more commonly known as
downloadable content Downloadable content (DLC) is additional content created for an already released video game, distributed through the Internet by the game's publisher. It can either be added for no extra cost or it can be a form of video game monetization, enabli ...
. With the advancement of network bandwidth capabilities, online distribution became prominent in the 21st century, with prominent platforms such as
Amazon Video Amazon Prime Video, also known simply as Prime Video, is an American subscription video on-demand over-the-top streaming and rental service of Amazon offered as a standalone service or as part of Amazon's Prime subscription. The service p ...
, and
Netflix Netflix, Inc. is an American subscription video on-demand over-the-top streaming service and production company based in Los Gatos, California. Founded in 1997 by Reed Hastings and Marc Randolph in Scotts Valley, California, it offers a ...
's
streaming Streaming media is multimedia that is delivered and consumed in a continuous manner from a source, with little or no intermediate storage in network elements. ''Streaming'' refers to the delivery method of content, rather than the content i ...
service starting in 2007. Content distributed online may be streamed or downloaded, and often consists of
book A book is a medium for recording information in the form of writing or images, typically composed of many pages (made of papyrus, parchment, vellum, or paper) bound together and protected by a cover. The technical term for this phys ...
s, films and
television program Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission. Television is a mass medium for advertising ...
s,
music Music is generally defined as the The arts, art of arranging sound to create some combination of Musical form, form, harmony, melody, rhythm or otherwise Musical expression, expressive content. Exact definition of music, definitions of mu ...
,
software Software is a set of computer programs and associated software documentation, documentation and data (computing), data. This is in contrast to Computer hardware, hardware, from which the system is built and which actually performs the work. ...
, and
video game Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, game controller, controller, computer keyboard, keyboard, or motion sensing device to gener ...
s. Streaming involves downloading and using content at a user's request, or "on-demand", rather than allowing a user to store it permanently. In contrast, fully downloading content to a
hard drive A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magne ...
or other forms of storage media may allow offline access in the future. Specialist networks known as
content delivery network A content delivery network, or content distribution network (CDN), is a geographically distributed network of proxy servers and their data centers. The goal is to provide high availability and performance by distributing the service spatially r ...
s help distribute content over the Internet by ensuring both high availability and high performance. Alternative technologies for content delivery include
peer-to-peer file sharing Peer-to-peer file sharing is the distribution and sharing of digital media using peer-to-peer (P2P) networking technology. P2P file sharing allows users to access media files such as books, music, movies, and games using a P2P software program th ...
technologies. Alternatively,
content delivery platform A content delivery platform (CDP) is a software as a service (SaaS) content service, similar to a content management system (CMS), that utilizes embedded software code to deliver web content. Instead of the installation of software on client se ...
s create and syndicate content remotely, acting like hosted
content management system A content management system (CMS) is computer software used to manage the creation and modification of digital content ( content management).''Managing Enterprise Content: A Unified Content Strategy''. Ann Rockley, Pamela Kostur, Steve Manning. New ...
s. Unrelated to the above, the term "digital distribution" is also used in
film distribution Film distribution (also known as Film exhibition or Film distribution and exhibition) is the process of making a movie available for viewing by an audience. This is normally the task of a professional film distributor, who would determine the mark ...
to describe the distribution of content through physical digital media, in opposition to distribution by analog media such as photographic film and
magnetic tape Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany in 1928, based on the earlier magnetic wire recording from Denmark. Devices that use mag ...
(see
digital cinema Digital cinema refers to adoption of digital technology within the film industry to distribute or project motion pictures as opposed to the historical use of reels of motion picture film, such as 35 mm film. Whereas film reels have to be s ...
).


Basis

A primary characteristic of online distribution is its direct nature. To make a commercially successful work,
artist An artist is a person engaged in an activity related to creating art, practicing the arts, or demonstrating an art. The common usage in both everyday speech and academic discourse refers to a practitioner in the visual arts only. However, t ...
s usually must enter their industry's publishing chain. Publishers help artists
advertise Advertising is the practice and techniques employed to bring attention to a product or service. Advertising aims to put a product or service in the spotlight in hopes of drawing it attention from consumers. It is typically used to promote a ...
,
fund Fund may refer to: * Funding is the act of providing resources, usually in form of money, or other values such as effort or time, for a project, a person, a business, or any other private or public institution ** The process of soliciting and gath ...
and distribute their work to
retail Retail is the sale of goods and services to consumers, in contrast to wholesaling, which is sale to business or institutional customers. A retailer purchases goods in large quantities from manufacturers, directly or through a wholesaler, and th ...
outlets. In some industries, particularly video games, artists find themselves bound to publishers, and in many cases unable to make the content they want; the publisher might not think it will profit well. This can quickly lead to the standardization of the content and to the stifling of new, potentially risky ideas. By opting for online distribution, an artist can get their work into the public sphere of interest easily with potentially minimum business overhead. This often leads to cheaper goods for the
consumer A consumer is a person or a group who intends to order, or uses purchased goods, products, or services primarily for personal, social, family, household and similar needs, who is not directly related to entrepreneurial or business activities. ...
, increased profits for the artists, as well as increased artistic freedom. Online distribution platforms often contain or act as a form of
digital rights management Digital rights management (DRM) is the management of legal access to digital content. Various tools or technological protection measures (TPM) such as access control technologies can restrict the use of proprietary hardware and copyrighted work ...
. Online distribution also opens the door to new business models (e.g., the Open Music Model). For instance, an artist could release one track from an album or one chapter from a book at a time instead of waiting for them all to be completed. This either gives them a cash boost to help continue their projects or indicates that their work might not be financially viable. This is hopefully done before they have spent excessive money and time on a project deemed to remain unprofitable. Video games have increased flexibility in this area, demonstrated by
micropayment A micropayment is a financial transaction involving a very small sum of money and usually one that occurs online. A number of micropayment systems were proposed and developed in the mid-to-late 1990s, all of which were ultimately unsuccessful. A s ...
models. A clear result of these new models is their accessibility to smaller artists or artist teams who do not have the time, funds, or expertise to make a new product in one go. An example of this can be found in the music industry. Indie artists may access the same distribution channels as major record labels, with potentially fewer restrictions and manufacturing costs. There is a growing collection of 'Internet labels' that offer distribution to unsigned or independent artists directly to
online music store A digital music store is a business that sells digital audio files of music recordings over the Internet. Customers gain ownership of a license to use the files, in contrast to a music streaming service, where they listen to recordings withou ...
s, and in some cases marketing and promotion services. Further, many bands are able to bypass this completely and offer their music for sale via their own independently controlled websites. An issue is the large number of incompatible formats in which content is delivered, restricting the devices that may be used, or making
data conversion Data conversion is the conversion of computer data from one format to another. Throughout a computer environment, data is encoded in a variety of ways. For example, computer hardware is built on the basis of certain standards, which requires t ...
necessary.


Impact on traditional retail

The rise of online distribution has provided controversy for the traditional business models and resulted in challenges as well as new opportunities for traditional retailers and publishers. Online distribution affects all of the traditional media markets including music, press, and broadcasting. In Britain, the
iPlayer BBC iPlayer (stylised as iPLAYER or BBC iPLAYER) is a video on demand service from the BBC. The service is available on a wide range of devices, including mobile phones and tablets, personal computers and smart televisions. iPlayer services del ...
, a software application for streaming television and radio, accounts for 5% of all bandwidth used in the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
.


Music

The move towards online distribution led to a dip in sales in the 2000s; CD sales were nearly cut in half around this time. One such example of online distribution taking its toll on a retailer is the Canadian music chain
Sam the Record Man Sam the Record Man was a Canadian record store chain that, at one time, was Canada's largest music recording retailer. In 1982, its ads proclaimed that it had "140 locations, coast to coast". Its iconic flagship store was located at 259 Yonge S ...
; the company blamed online distribution for having to close a number of its traditional retail venues in 2007–08. One main reason that sales took such a big hit was that unlicensed downloads of music were very accessible. With copyright infringement affecting sales, the music industry realized it needed to change its business model to keep up with the rapidly changing technology. The step that was taken to move the music industry into the online space has been successful for several reasons. The development of lossy audio compression file formats such as
MP3 MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is a coding format for digital audio developed largely by the Fraunhofer Society in Germany, with support from other digital scientists in the United States and elsewhere. Orig ...
could take 30 MB for a typical 3 minute song and bring it down to 3 MB without any serious loss of quality. Lossless
FLAC FLAC (; Free Lossless Audio Codec) is an audio coding format for lossless compression of digital audio, developed by the Xiph.Org Foundation, and is also the name of the free software project producing the FLAC tools, the reference software p ...
files can be up to six times larger than an MP3 while, in comparison, the same song might require 30–40 megabytes of storage on a CD. The smaller file size yields much greater Internet transfer speeds. The transition into the online space has boosted sales, and profit for some artists. It has also allowed for potentially lower expenses such as lower coordination costs, lower distribution costs, as well as the possibility for redistributed total profits. These lower costs have aided new artists in breaking onto the scene and gaining recognition. In the past, some emerging artists have struggled to find a way to market themselves and compete in the various distribution channels. The Internet may give artists more control over their music in terms of ownership, rights, creative process, pricing, and more. In addition to providing global users with easier access to content, online stores allow users to choose the songs they wish instead of having to purchase an entire album from which there may only be one or two titles that the buyer enjoys. The number of downloaded single tracks rose from 160 million in 2004 to 795 million in 2006 which accounted for a revenue boost from US$397 million to US$2 billion.


Videos

Many traditional network television shows, movies and other video content is now available online, either from the content owner directly or from third-party services.
YouTube YouTube is a global online video sharing and social media platform headquartered in San Bruno, California. It was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim. It is owned by Google, and is the second most ...
,
Netflix Netflix, Inc. is an American subscription video on-demand over-the-top streaming service and production company based in Los Gatos, California. Founded in 1997 by Reed Hastings and Marc Randolph in Scotts Valley, California, it offers a ...
,
Hulu Hulu () is an American subscription streaming service majority-owned by The Walt Disney Company, with Comcast's NBCUniversal holding a minority stake. It was launched on October 29, 2007 and it offers a library of films and television seri ...
, Vudu,
Amazon Prime Video Amazon Prime Video, also known simply as Prime Video, is an American subscription video on-demand over-the-top streaming and rental service of Amazon offered as a standalone service or as part of Amazon's Prime subscription. The service p ...
,
DirecTV DirecTV (trademarked as DIRECTV) is an American Multichannel television in the United States, multichannel video programming distributor based in El Segundo, California, El Segundo, California. Originally launched on June 17, 1994, its primary ...
, SlingTV and other Internet-based video services allow content owners to let users access their content on computers, smartphones, tablets or by using appliances such as video game consoles, set-top boxes or
Smart TV A smart TV, also known as a connected TV (CTV), is a traditional television set with integrated Internet and interactive Web 2.0 features, which allows users to stream music and videos, browse the internet, and view photos. Smart TVs are a techn ...
s. Many film distributors also include a
Digital Copy A digital copy is a commercially distributed computer file containing a media product such as a film or music album. The term contrasts this computer file with the physical copy (typically a DVD, Blu-ray, Blu-ray 3D, or Ultra HD Blu-ray disc) w ...
, also called Digital HD, with Blu-ray disc,
Ultra HD Blu-ray Ultra HD Blu-ray (4K Ultra HD, UHD-BD, or 4K Blu-ray) is a digital optical disc data storage format that is an enhanced variant of Blu-ray. Ultra HD Blu-ray discs are incompatible with existing standard Blu-ray players, though a traditional B ...
,
3D Blu-ray The Blu-ray Disc (BD), often known simply as Blu-ray, is a digital optical disc data storage format. It was invented and developed in 2005 and released on June 20, 2006 worldwide. It is designed to supersede the DVD format, and capable of sto ...
or a
DVD The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kin ...
.


Books

Some companies, such as Bookmasters Distribution, which invested US$4.5 million in upgrading its equipment and operating systems, have had to direct capital toward keeping up with the changes in technology. The phenomenon of books going digital has given users the ability to access their books on handheld digital book readers. One benefit of electronic book readers is that they allow users to access additional content via hypertext links. These electronic book readers also give users portability for their books since a reader can hold multiple books depending on the size of its
hard drive A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magne ...
. Companies that are able to adapt and make changes to capitalize on the digital media market have seen sales surge. Vice President of
Perseus Books Group Perseus Books Group was an American publishing company founded in 1996 by investor Frank Pearl. Perseus acquired the trade publishing division of Addison-Wesley (including the Merloyd Lawrence imprint) in 1997. It was named Publisher of the Ye ...
stated that since shifting to electronic books (e-books), it saw sales rise by 68%.
Independent Publishers Group Independent Publishers Group (IPG) is a worldwide distributor for independent general, academic, and professional publishers, founded in 1971 to exclusively market titles from independent client publishers to the international book trade. As per ...
experienced a sales boost of 23% in the first quarter of 2012 alone.
Tor Books Tor Books is the primary imprint of Tor Publishing Group (previously Tom Doherty Associates), a publishing company based in New York City. It primarily publishes science fiction and fantasy titles, and is the largest publisher of Chinese sci ...
, a major publisher of science fiction and fantasy books, started to sell
e-book An ebook (short for electronic book), also known as an e-book or eBook, is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. Al ...
s DRM-free by July 2012. One year later the publisher stated that they will keep this model as removing DRM was not hurting their digital distribution ebook business. Smaller e-book publishers such as
O'Reilly Media O'Reilly Media (formerly O'Reilly & Associates) is an American learning company established by Tim O'Reilly that publishes books, produces tech conferences, and provides an online learning platform. Its distinctive brand features a woodcut of ...
,
Carina Press Harlequin Enterprises ULC (known simply as Harlequin) is a romance and women's fiction publisher founded in Winnipeg, Canada in 1949. From the 1960s, it grew into the largest publisher of romance fiction in the world. Based in Toronto, Canad ...
and
Baen Books Baen Books () is an American publishing house for science fiction and fantasy. In science fiction, it emphasizes space opera, hard science fiction, and military science fiction. The company was established in 1983 by science fiction publisher ...
had already forgone DRM previously.


Video games

Online distribution is changing the structure of the
video game industry The video game industry encompasses the Video game development, development, marketing, and Video game monetization, monetization of video games. The industry (economics), industry encompasses dozens of job disciplines and thousands of jobs wor ...
.
Gabe Newell Gabe Logan Newell (born November 3, 1962), nicknamed Gaben, is an American businessman and the president of the video game company Valve. Newell was born in Colorado and grew up in Davis, California. He attended Harvard University in the early ...
, creator of the digital distribution service
Steam Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporizat ...
, formulated the advantages over physical
retail Retail is the sale of goods and services to consumers, in contrast to wholesaling, which is sale to business or institutional customers. A retailer purchases goods in large quantities from manufacturers, directly or through a wholesaler, and th ...
distribution as such: Since the 2000s, there has been an increasing number of smaller and niche titles available and commercially successful, e.g. remakes of classic games. The new possibility of the digital distribution stimulated also the creation of game titles of very small video game producers like Independent game developer and
Modders ''Modding'' is a slang expression derived from the English verb " to modify". The term refers to modification of hardware, software, or anything else, to perform a function not originally intended by the designer, or to achieve bespoke specific ...
(e.g.
Garry's Mod ''Garry's Mod'' is a 2006 sandbox game developed by Facepunch Studios and published by Valve Corporation, Valve. The base game mode of ''Garry's Mod'' has no set objectives and provides the player with a world in which to freely manipulate ...
), which were before not commercially feasible. The years after 2004 saw the rise of many digital distribution services on the PC, such as
Amazon Services This is a list of products and services offered by American corporation Amazon. Retail goods Amazon product lines include ( books, DVDs, music CDs, videotapes, and software), apparel, baby products, consumer electronics, beauty products, ...
,
Desura Desura was a digital distribution Digital distribution, also referred to as content delivery, online distribution, or electronic software distribution, among others, is the delivery or distribution of digital media content such as audio, v ...
,
GameStop GameStop Corp. is an American video game, consumer electronics, and gaming merchandise retailer. The company is headquartered in Grapevine, Texas (a suburb of Dallas), and is the largest video game retailer worldwide. , the company operates 4,5 ...
, Games for Windows – Live, Impulse,
Steam Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporizat ...
,
Origin Origin(s) or The Origin may refer to: Arts, entertainment, and media Comics and manga * ''Origin'' (comics), a Wolverine comic book mini-series published by Marvel Comics in 2002 * ''The Origin'' (Buffy comic), a 1999 ''Buffy the Vampire Sl ...
,
Battle.net Battle.net is an Internet-based online game, social networking service, digital distribution, and digital rights management platform developed by Blizzard Entertainment. The service was launched on December 31, 1996, followed a few days later ...
, Direct2Drive, GOG.com,
Epic Games Store The Epic Games Store is a digital video game storefront for Microsoft Windows and macOS, operated by Epic Games. It launched in December 2018 as both a website and a standalone launcher, of which the latter is required to download and play ga ...
and GamersGate. The offered properties differ significantly: while most of these digital distributors don't allow reselling of bought games, '' Green Man Gaming'' allows this. Another example is '' gog.com'' which has a strict non-DRM policy while most other services allow various (strict or less strict) forms of DRM. Digital distribution is also more eco-friendly than physical. Optical discs are made of
polycarbonate Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. They are easily work ...
plastic and
aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It h ...
. The creation of 30 of them requires the use of 300 cubic feet of
natural gas Natural gas (also called fossil gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes. Low levels of trace gases like carbon ...
, two cups of oil and 24 gallons of water. The protective cases for an optical disc is made from polyvinyl chloride (PVC), a known
carcinogen A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis (the formation of cancer). This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes. Several radioactive subst ...
.


Challenges

A general issue is the large number of incompatible data formats in which content is delivered, possibly restricting the devices that may be used, or making data conversion necessary.
Streaming Streaming media is multimedia that is delivered and consumed in a continuous manner from a source, with little or no intermediate storage in network elements. ''Streaming'' refers to the delivery method of content, rather than the content i ...
services can have several drawbacks: requiring a constant Internet connection to use content; the restriction of some content to never be stored locally; the restriction of content from being transferred to physical media; and the enabling of greater censorship at the discretion of owners of content, infrastructure, and consumer devices. Decades after the launch of the
World Wide Web The World Wide Web (WWW), commonly known as the Web, is an information system enabling documents and other web resources to be accessed over the Internet. Documents and downloadable media are made available to the network through web se ...
, in 2019 businesses were still adapting to the evolving world of distributing content digitally—even regarding the definition and understanding of basic terminology.


See also

*
App store An App Store (or app marketplace) is a type of digital distribution platform for computer software called applications, often in a mobile context. Apps provide a specific set of functions which, by definition, do not include the running of the co ...
* Digital ecosystem *
Online shopping Online shopping is a form of electronic commerce which allows consumers to directly buy goods or services from a seller over the Internet using a web browser or a mobile app. Consumers find a product of interest by visiting the website of the ...
*
Cloud gaming Cloud gaming, sometimes called gaming on demand or gaming-as-a-service or game streaming, is a type of online gaming that runs video games on remote servers and streams them directly to a user's device, or more colloquially, playing a game rem ...
* Comparison of digital music stores *
Content delivery network A content delivery network, or content distribution network (CDN), is a geographically distributed network of proxy servers and their data centers. The goal is to provide high availability and performance by distributing the service spatially r ...
* Digital distribution of video games *
Ebook An ebook (short for electronic book), also known as an e-book or eBook, is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. Al ...
* Electronic publishing *
E-commerce E-commerce (electronic commerce) is the activity of electronically buying or selling of products on online services or over the Internet. E-commerce draws on technologies such as mobile commerce, electronic funds transfer, supply chain mana ...
*
Film distribution Film distribution (also known as Film exhibition or Film distribution and exhibition) is the process of making a movie available for viewing by an audience. This is normally the task of a professional film distributor, who would determine the mark ...
* Film distributor *
Internet pornography Internet pornography is any pornography that is accessible over the internet, primarily via websites, FTP servers peer-to-peer file sharing, or Usenet newsgroups. The availability of widespread public access to the World Wide Web in late 19 ...
* List of Internet television providers * List of mobile app distribution platforms *
Streaming media Streaming media is multimedia that is delivered and consumed in a continuous manner from a source, with little or no intermediate storage in network elements. ''Streaming'' refers to the delivery method of content, rather than the content i ...
*
Video on demand Video on demand (VOD) is a media distribution system that allows users to access videos without a traditional video playback device and the constraints of a typical static broadcasting schedule. In the 20th century, broadcasting in the form of ...
* Uberisation


References

{{DEFAULTSORT:Digital Distribution
Distribution Distribution may refer to: Mathematics *Distribution (mathematics), generalized functions used to formulate solutions of partial differential equations *Probability distribution, the probability of a particular value or value range of a varia ...
Film distribution Non-store retailing . . Software delivery methods . . Computer science articles needing attention