We've heard horror stories of piracy from iPhone developers before, but PocketGamer has news of an iPad developer also suffering from a surprising amount of customers who likely didn't actually pay for their software. Qwiboo says that its iPad app, Aqua Globs HD, is seeing about 50% of its customers on the OpenFeint leaderboards have obtained the app illegally. Vladimir Roth says that the number of users who have actually submitted an OpenFeint score is double the number of legitimately sold apps so far.
Now, you can bring up the usual arguments against worrying about a number like this --