evolution of internet communities

Isnt' it strange how a few years ago I would have been considered a real geek for posting on a forum with a bunch of people I'd never have met before, yet now with MySpace, Twitter, Facebook and all the others, it's almost the norm now. Odd how the technology has evolved now as well, with forums people come together around a topic or area, now they have their own little place on the web and people go to each other, and interact with that space directly.