Gazelle (web browser) a predecessor project, "MashupOS", but with "Gazelle" the emphasis was on a more secure browser. By the July 2009 announcement of Google Chrome OS, Gazelle was seen as a possible alternative Microsoft architectural approach compared to Google's direction. That is, rather than the OS being reduced in role to that of a browser, the browser would be strengthened using OS principles. The "Gazelle" project became dormant, and "ServiceOS" arose as a replacement project also related to browser architectures. But by 2015, the SecureOS project was also dormant, after Microsoft decided that its new flagship browser would be Edge. Gazelle (web
Web browser the browser. Virtually all URLs on the Web start with either "http:" or "https:" which means the browser will retrieve them with the Hypertext Transfer Protocol. In the case of "https:" the communication between the browser and the web server is encrypted for the purposes of security and privacy. Another URL prefix is "file:" which is used to display local files already stored on the user's device. Once a web page has been retrieved, the browser's rendering engine displays it on the user's device. This includes image and video formats supported by the browser. Web pages usually contain hyperlinks to