Media Monitoring Service
A media monitoring service, a press clipping service or a clipping service as known in earlier times, provides clients with copies of media content, which is of specific interest to them and subject to changing demand; what they provide may include documentation, content, analysis, or editorial opinion, specifically or widely. These services tend to specialize their coverage by subject, industry, size, geography, publication, journalist, or editor. The printed sources, which could be readily monitored, greatly expanded with the advent of telegraphy and submarine cables in the mid- to late-19th century; the various types of media now available proliferated in the 20th century, with the development of radio, television, the photocopier and the World Wide Web. Though media monitoring is generally used for capturing content or editorial opinion, it also may be used to capture advertising content. Media monitoring services have been variously termed over time, as new players entered the ...
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Telegraphy
Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas pigeon post is not. Ancient signalling systems, although sometimes quite extensive and sophisticated as in China, were generally not capable of transmitting arbitrary text messages. Possible messages were fixed and predetermined and such systems are thus not true telegraphs. The earliest true telegraph put into widespread use was the optical telegraph of Claude Chappe, invented in the late 18th century. The system was used extensively in France, and European nations occupied by France, during the Napoleonic era. The electric telegraph started to replace th