Xfire

Xfire is the most popular social service for PC gamers (20MM+ registered users). Think Skype + Facebook inside of 2,300 popular PC games. Xfire enables group VOIP, group chat, a patented 1-click to join friends, game launcher, P2P file transfer system, friend list management, video and screen capture and live broadcasting. - Xfire was originally founded in 2002, sold to Viacom for $108MM - Over $40 Million has been invested in the IT to date Download Xfire at http://www.xfire.com