GameStop has started offering in-store credit for used iPod, iPhone and iPad devices. A message on their website reads:
"Did you know that GameStop now buys your old iPod, iPhone and iPad devices? Trade them in at GameStop for in-store credit. Perfect for trading toward games, accessories, systems and more. Bring in your old iPod, iPhone or iPad and a Game Advisor can assist you. Plus, you’ll score PowerUp Rewards points on every item traded."