单词：xfire
A new IM client that allows users to see which games their buddies are playing. Certain games allow instant joining into your friends' games. Now generally considered AIM for gamers.
www.xfire.com
> Because I use Xfire, now I can see which games my friends are playing.
www.xfire.com
> Because I use Xfire, now I can see which games my friends are playing.