Originally posted by: blurredvision
It may work like everything else. As long as the maps are on the same console you purchased them on, then anybody should be able to use them. However, if you ever move your hard drive to another 360 (which includes sending it in for warranty work) or have to download them again on another hard drive, only the person who is signed in and bought them can use them.
That's just speculation, though, I really have no idea. That's my best guess, though.
