If you stand still in any city long enough, you see everyone pass you by. So you're in Chicago. If you stand on the corner of Belmont and Clark, and you do that for three years, you'll pretty much have seen everybody in Chicago pass that junction.
I don't have the identity of any of them. I only had the nicks that they used on Internet Relay Chat.
Perhaps 'Big Bang' fans feel so protective of the show because it is, despite being a hit show on a big network, something of a word-of-mouth phenomenon.

