Guy Kawasaki writes in 'How to Use Twitter as a Twool' to get as many Twitter followers as possible. Just because the nobodies are the new somebodies!
It's interesting reading, but for those to lazy you can see it visualized below.
Updated, 14 December 2008: Replaced the above presentation with a more current version.
Feel free to follow me on Twitter, but only if it makes you feel happy.