I was a daydreamer, and there is a lot of history and geography and science I missed out on because I was in my head. And I regret that.
The three-pound organ in your skull - with its pink consistency of Jell-o - is an alien kind of computational material. It is composed of miniaturized, self-configuring parts, and it vastly outstrips anything we've dreamt of building.
It's pretty overwhelming to know that people can call up Moviefone and find out where it's playing.