WOW Gold You paid $40 for the original game

"Subscription model" might sound familiar -- that's how Blizzard has made most of their money on this game so far.

You paid $40 for the original game (a direct sale -- for many games, that's where it ends), and since then, you've paid $15 a month to play it.

online content vendors are looking at all kinds of ways to sell their wares,Gold WOW EU, from direct sales to subscription models to microtransactions.