The Wilderness Downtown: Chrome experiment by Chris Milk and Arcade Fire

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The Wilderness Downtown is perhaps the best browser-dominating Net art piece I've experienced since Jodi.org's best work more than a decade ago. An experimental, interactive film by Chris Milk, it's a tour-de-force for the Chrome browser and a lovely visual poem to accompany Arcade Fire's excellent "We Used To Wait" from their album The Suburbs. I won't give the "story" away, but I found it to be a deeply personal and moving experience.
Choreographed windows, interactive flocking, custom rendered maps, real-time compositing, procedural drawing, 3D canvas rendering... this Chrome Experiment has them all. "The Wilderness Downtown" is an interactive interpretation of Arcade Fire's song "We Used To Wait" and was built entirely with the latest open web technologies, including HTML5 video, audio, and canvas.
The Wildreness Downtown (Thanks, Jean Hagan!)

"Behind the Work: Arcade Fire 'The Wilderness Downtown'" (Creativity Online)