A lot of people have previously argued that while Blizzard will take extra money from you for services like server moves or race changes, they aren't selling you any virtual items for real money. That isn't true any more. Via MMO-Champion and WoW.com comes the news that Blizzard now officially launched a microtransaction shop for their game, the Pet Store. For $10 you will be able to buy an in-game pet for World of Warcraft.
Right now there are only 2 of them available, a pandaren monk and a miniature Kel’Thuzad. Others will undoubtedly follow. Then maybe other fluff items (armor dyes would sell well, Blizzard!). And later this could be expanded to classics of microtransaction shops like double XP scrolls, mounts, and various other things.
I think I just won an argument with one of my readers who swore that no AAA MMORPG like World of Warcraft would ever add microtransactions. Wake up and smell the coffee, people! Microtransactions are now officially arrived on the list of possible features for every MMORPG. Once World of Warcraft does it, many other games that don't have microtransactions will copy them.