Apple's iBeacons represent some of the best and worst that science fiction has predicted. More importantly, it's already here. In essence, iBeacon is tracking technology for indoors. It does inside, what GPS does for outside. Not only is it already here, but you might well be carrying it in your pocket at this very moment.
For a limited time, Apple is giving you some free music for the holidays. I didn't really need any holiday music, but free is the right price. However, if you think you are just going to waltz on over to iTunes and tap a conveniently located Download button, think again. Here's how to get it: