Movity - great map data for your move

Yesterday I posted on the Tenderloin in San Francisco and today I had these AdSense ads from a really cool site called Movity.   It has some cool data for areas in which you might want to move, and if I didn't know better (well, I don't know better) I would think this it was inspired by the Sim City crime heat maps.   It looks like the site is in private beta, but a direct link to the San Francisco data is here.