Piracy may actually be aiding a minority of iPhone developers, the business development head of Tapulous suggests. Speaking at the MIDEM music conference in Cannes, Tim O'Brien notes that of the 2.5 million downloads of Tap Tap Revenge made in the game's first two months, roughly a million were pirate copies. Because gamers can now buy add-on songs, however, the extra users are helping Tapulous' profits.