Indie rock group Arcade Fire's teamed up with Google to incorporate Street View into a strange new music video that involves bombing your childhood street with birds. It's one of the more interesting and creepy uses of HTML5 to date.
You'll need Chrome (or another HTML5-capable browser) to run the video, and expect it to lag considerably if you've got 16 other programs running. Also, you need to have grown up somewhere Google has sufficient map coverage for. If you do, go here. If you're lazy, you can watch it with someone's hometown substituted here: