THis is nuts.

I never usually read Boing Boing and it would be lamer to repost the whole story here but check out this crazy bit of internet only insanity, where they figured out that the guy who held that girl captive in his back yard was following the Google maps car:

http://www.boingboing.net/2009/08/31/did-google-street-vi.html

I've done it and you can really see the van following you.