Yeah, but after a while the guy with Kraftwerk T-shirt slugs too many shots and won't shut up about how Africa Bambaataa ripped off "Trans-Europe Express" or how "Computer World" STILL sounds like it came out last week.

So what you're saying is that I should invest heavily in Firefly?

Malcolm Gladwell talks about friendships in The Tipping Point and theorizes that we choose our friends not through evaluation of their qualities, but through convenience. We gravitate towards those nearby, that share hobbies. Of course, if I see someone wearing the same obscure geek shirt that I own, I'll probably start talking to, I may even overlook their geeky values (and pray they overlook mine).