sends in a write-up of his experience releasing an iPhone game on the App Store. By using a software flag to distinguish between high scores submitted by pirates and those submitted by users who purchased the game, the piracy rate is estimated at around 80%
during the first week after release. Since a common excuse for piracy is "try before you buy," they also looked at the related iPhone DeviceIDs to see how many of the pirates went on to purchase the game. None of them did.