[Via Daring Fireball]
Technically fascinating, emotionally moving interactive “video” by Chris Milk for Arcade Fire’s new single, “We Used to Wait”. All HTML5, not a lick of Flash; try it in Chrome or Safari 5. Nice write-up about it here at the Chome Experiments site.
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Put in the address and have fun. Play with the blackbirds while you are waiting – they fly away from the cursor. Watch for your home in the video and have fun drawing a postcard to send.
It looks like they use addresses that have lots of Google maps pictures as when I put in another address, it told me there was not enough coverage to enjoy the film 100%. Still, pretty amazing use if HTML5 and I know for sure that a Flash version would have crashed. They always do when things get complex.
It is a pretty emotional thing to see your old house show up in a video.
Now I am going to go buy the album. Their magic did it work.
A Man With A Ph.D. 
Loved it too