While I’m on the topic of helpful websites, here’s another simple but useful one: Wefollow.
Its a user-edit Twitter directory, that Nathan pointed out to me a few days ago.
I picked up a few followers just by signing up.
I find it remarkable how many followers some of the top users of Twitter have accumulated. Yes, some of them are leveraging off of some form of celebrity status (real-world or online). Its quite amazing how large the reach of some dedicated tweeters is though. It takes a lot of hard work to scale up a following like that, regardless of where it is.