Have you heard of ICQ fight?

http://www.icq.com/fight/?icid=nav_fht

All it does is (given 2 user names it) determines who is more connected (3 degrees of separation) based on how many people add you to their contact list (adding other people does not affect your score, being added does, especially by people who are well connected). 

It might be fun and add a new dimension to CD (one more thing to do and have fun).