A Web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web. The major web browsers are Internet Explorer, Mozilla Firefox, Apple Safari, Google Chrome, Netscape Navigator 9, and Opera for Windows and Apple Safari, Mozilla Firefox, Netscape Navigator 9, and Opera for Macintosh. WorldWideWeb was the world’s first web browser and was introduced on February 26, 1991, by British scientist Sir Tim Berners-Lee, and ran on the NeXTSTEP platform. It was later renamed Nexus to avoid confusion with the World Wide Web. The World’s First Graphical Browser was Erwise and it was developed by four Finnish college students in 1991. Mosaic was developed at the National Center for Supercomputing Applications (NCSA) beginning in late 1992. NCSA released the browser in 1993, and officially discontinued development and support on January 7, 1997. The Lunascape Web Browser from Tokyo is the world’s fast hybrid browser.