Well, I'm pretty much obsessed with this video project so I might as well share it here, too. Sam and I both love the band Arcade Fire so we were especially thrilled with their recent interactive music video. You enter the address of the home where you grew up and then your childhood geography becomes a part of the music video. (As well as some other nice interactive features.)
Very innovative and unexpectedly moving.
Try it for your own address but here's mine if you're interested.
p.s. Several windows (around 8) will pop up on your computer desktop but just leave them alone. They're all part of the thing. Also, apparently you need Google Chrome to run it.