MacMerc has posted instructions on how to pick a winning Pepsi/iTunes bottle every time. The method involves tilting the bottle at a 25-degree angle and simply reading the underside of the cap. “After the Super Bowl, Mac fans everywhere went to their local convenience stores to look for the iTunes labeled Pepsi bottles. If your store was like mine, you probably went home empty handed. It takes a few weeks for new bottles to make it down the supply chain, but they are now finally at most stores. Read on to find out how to never get a bottle that doesn’t win.”