Google Music's current allowance of 10 authorized devices to be attached to any one account sounds like plenty for the average user. After a laptop, desktop computer, smartphone, and tablet there are is still plenty of room to work with for the likes of Google TV or additional mobile devices. And should you reach your limit of 10 authorized devices and need to add another, it should be as simple as de-authorizing one you aren't currently using and simply adding the new one, right. Wrong.
Android Phone, Google Music device authorization limit could cause headaches for ROM lovers