HE'S OVER GREENLAND! We were just marveling at the new Parents Calling Santa app, and how it will really assist Mr. Claus in keeping straight who has been nice and who needs some gentle reminding. Then we wanted a tracker. You know the tracking of Santa Claus on December 24th. Used to be that the nightly news reported on his whereabouts, but now there's an app called Santa Tracker 3D that will help you watch Santa's route from your iPhone. GET IT: It's 99 cents, from Earthscape