Blizzard has now made some strange changes to the way players buy World of Warcraft game time. They have removed the option to buy game time with 30, 90 and 180 days of prepaid blocks. Now there are only 60 days of options left. You can still purchase regular monthly subscriptions. WoWhead believes that the reason for this change is to fight against "World of Warcraft" robots that use WoW...