It’s Not about EDGE, It’s about the Edge — Here’s where it all comes together. Starbucks already has media servers in its stores. These servers host the songs that Starbucks plays. But they aren’t simply jukeboxes. They also have magic that allows a customer in a Starbucks cafe to purchase a song they just heard or that was recently played and have that song downloaded locally – not downloaded over the Internet from Apple’s iTunes Store. That means that Apple is wrapping DRM (digital rights…