There has been a lot of speculation whether or not Battle.net, Blizzard's updated online gaming network, would be a service players would have to pay for. Considering the new network has its very own development team, the thought isn't far off.
The first game to be made specifically for the new gaming network is StarCraft II, and the RTS Community Manager Kevin "Karune" Yu told fans that the network will NOT be charging anyone for use.