I'm less positive of it after rereading the post to be honest. Netscape in 99 was just starting it's plummet, so it's hard to say it was booming but it also wasn't really outdated either. I probably should have thought my post through more, sorry.
Navigator was already effectively dead in 1998, when Netscape announced plans to open source the code and launch the Mozilla project. Navigator 4.0 was a buggy mess, and it did not support the W3C standards of the day. It was only a matter of time before the Web broke enough to force the installed Navigator base to switch.
It'd still have been either first or second in browser share, there was a reason AOL was still willing to buy it for so much money. Technologically already dead, but just starting the plummet.
