This two pages PC World article reports on "Idioms Lost to Tech -- Technology changes everything, from how we shop to how we stay in touch with friends. And it definitely changes the way we talk--just a few years ago phrases like 'Facebook friends,' 'trending on Twitter,' and 'I can has more cheezburger?' didn't even exist.
Vintage Computing and Gaming (VC&G) shared a ten/10 (last one doesn't count) pages PCWorld's image gallery (one ugly web page with thumbnails) showing "The Roots of Social Networking -- Before Facebook, before even Friendster (current one is nothing like its old/former one), people still had social networking. Here's a look at how computer users got together in the days before the dawn of the Internet..."
From internet relay chat (IRC) earlier:
1:50PM [Mousey] http://informationweek.com/thebrainyard/news/ social_networking_consumer/231500371/you-know-youre-from-it-in-1990s-if-
Two comic strips of the day that woke your BUSY and sleepy overlord up