In a recent interview with Fortune, Apple’s vice president of Hardware Product Marketing Greg Joswiak spoke about the current state of the iPod, how the marketing of the devce has changed over the years, the iPod touch and iPhone SDK, the potential for growth in some international markets, and more. Responding to a question on how to handle an open iPod and iPhone, Joswiak said, “One of the things Steve talked about in his open letter is something…