Google is patenting this so that if they get sued, they already have a patent. If they actually sue anyone over this FIRST, I'd be shocked. This has got to be a

Google is patenting this so that if they get sued, they already have a patent. If they actually sue anyone over this FIRST, I'd be shocked. This has got to be a defensive patent, in case someone else was about to patent the same thing and run after them with a lawyer.