Steam Gameplay Statistics

In follow-up to the Steam Hardware and Software survey, this is a page we like to look at that shows gameplay and player statistics for Steam games (link here).  There are currently around 66,000 players in-game playing Team Fortress 2 right now.  Pretty remarkable for a "vintage" game like TF2.  It speaks to the game's longevity and Valve's continuous-improvement ideals.  You rock TF2.