Danger, Inc.

Danger, Inc. was an American company specializing in hardware design, software, and services for mobile computing devices. Founded on December 9, 1999, its most notable product was the T-MobileSidekick (also known as Danger Hiptop), a popular early smartphone. The Sidekick or Hiptop was an early example of client–server ("cloud"-based) smartphones and created the App (Applications) marketplace, later popularized by Android and iOS. Danger was acquired by Microsoft on February 11, 2008, for a price rumored to be around $500 million.