Zuckerberg is a couple years older than me and I knew what Netscape was then, so I'd be pretty surprised if he didn't. (Though in 2004 we had already had Netsc

Zuckerberg is a couple years older than me and I knew what Netscape was then, so I'd be pretty surprised if he didn't. (Though in 2004 we had already had Netscape -> Mozilla Suite -> Phoenix -> Firebird -> Firefox, so lots of names to keep straight.)