Why do web browsers differ?
A quick look at “http://en.wikipedia.org/wiki/Mosaic_(web_browser)” reveals that Mosaic was the first popular World Wide Web browser to mix image elements with text. It was developed at the National Center for Supercomputing Applications in 1992, released to the public in 1993 for non commercial use, and orphaned in 1997.
Mosaic project alumni and other users established Mosaic [...]