Apple have launched their gaming social network iPhone Game Center.
• Game Center
  – Send and receive friend requests
  – Invite friends to multi-player games over the Internet
  – Play multi-player games by auto-matching with other players
  – View Leaderboards and Achievements
  – Discover new games from friends
Get if free when you upgrade your iPhone operating system via iTunes.
Note: invite me as a friend using my GC nickname:
See u on the other side!