You probably already saw our news story noting that Starbucks was going to be giving away a bunch of music through the iTunes Store, a promotion that still has three or so weeks left to run. If you haven’t yet snagged any of the Song of the Day cards, here’s the way they work, with a potential DRM-free surprise. Every day, Starbucks gives out thousands of cards for a single song from a single artist. The cards feature an artist photograph,…
