Naturally, Microsoft hopes that the Band itself will become a platform, with third-party app developers coming together to add to its own capabilities. In addition to the Starbucks app -- you can tell the Band to display your Starbucks card info, which can be scanned -- Microsoft has struck partnerships with MyFitnessPal, MapMyFitness, RunKeeper, and Gold's Gym. Gold's even will construct custom workouts, which Microsoft hopes the Band will be able to adapt as it learns more about you.