Yeah, it sounds like if I wanted to I could sell my Diablo 3 copy. But when I've attached it to my Battle.net account, it's stuck there. Doesn't sound like this ruling is gonna make Blizzard offer a way to un attach the game from my account so I can sell it.
Same thing with Steam or any other service like that.
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The batman villians all seem to be one big joke that batman refuses to laugh at - SantaRPG