interesting...

[ibneko]

(cookies to balor, who mentioned it, which started a small search, which came up with this)

LiveJournal Connect! Enter your username in the left box, someone else's username (or a * for a random one) in the right box, and press the button! -> Quiet Mutual 2 chains No 1-hop Coded by sachmet

(more description on site and related lj post)