Mozilla Firefox was forked from the rewritten Mozilla codebase<p>From the original Spolsky:<p>&#62; Netscape 6.0 is finally going into its first public beta...Well, yes. They did. They did it by making the single worst strategic mistake that any software company can make: They decided to rewrite the code from scratch.<p><a href="http://www.mozilla.com/en-US/firefox/releases/0.1.html" rel="nofollow">http://www.mozilla.com/en-US/firefox/releases/0.1.html</a><p><a href="http://www.mail-archive.com/linux-users@linux-sxs.org/msg06717.html" rel="nofollow">http://www.mail-archive.com/linux-users@linux-sxs.org/msg067...</a>