Valve, creators of best-selling game franchises (such as Counter-Strike and Team Fortress) and leading technologies (such as Steam and Source), today announced the public launch of the new Steam Community with features focused on finding and sharing the best community content.
Steam is a leading platform for the delivery and management of PC and Mac games with over 40 million accounts around the world and over 2,000 titles offered.
The new Community: http://www.steamcommunity.com
An overview of the features: http://www.steamcommunity.com/communitycontent