It's a question you may have asked yourself several times if you ever tried to play games like Shadowrun or Gears of War. These games are Games for Windows – Live enabled. If you want access to the full range of online features, you have to pay for Xbox Live. While console gamers are used to this, it's an odd structure to press on PC gamers.
Why does a gold account for Games for Windows – Live, the membership level required for full access, still cost money? IGN asked Kevin Unangst, Global Director for Games for Windows.