Who really owns downloadable games?

GamerNode's Greg Galiffa writes: A few months ago, I was asked to review Moon Diver. I don't own an Xbox 360, so I had to borrow one to get the XBLA version of the game. After creating an XBLA account, I downloaded the game to my hard drive. I then took my hard drive, sans console, to my friend's house to try out the multiplayer. But when I booted up his 360, it wouldn't work properly. I could only play the demo version of the game.

After doing some dizzying research, I learned that I can only play a XBLA game when the Xbox LIVE account that downloaded the game is connected to the internet (i.e. my account). Since my friend wasn't connected, Moon Diver was stuck in demo mode. And I learned one of the many hard realities about digital downloads…