5 degrees of separation
In today's hyper connected world, 6 degrees of seperation is somewhat outdated. If your online and using sites like Facebook, Bebo, Okurt or Myspace (or multiples of them) you're only 5 steps away from everyone in the world not 6.
After talking to Conner at the party for awhile, Hannah realized she recognized him from a comment he left on her friend's Facebook wall. 5 degrees of separation in the flesh.