What are WWW browsers?
§Browsers navigate the WWW
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§Browsers are simple to use because one user application communicates with many servers, and one server can support many user interfaces
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§Mosaic was released in 1993 by the National Center for Supercomputing Applications (NCSA) as the 1st WWW browser program
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§Netscape
§Internet Explorer
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In order to use the WWW, all you need is a "browser" program.  Mosaic was the first browser.  It was produced in 1993 by the NCSA, and took-off overnight!  Then, some of the people from NCSA who created Mosiac broke off and created their own company, which produced the popular Netscape browser.  At about that same time, Microsoft began creating its own browser, Internet Explorer.  As you've probably heard in the news, Netscape & Microsoft are is a legal battle because Microsoft Explorer is accused of trying to monopolize the browser market.