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Doesn't do anything but ask you to install Chrome beta (did that twice). A little too beta for my taste!

Haha, I even tried installation twice (with Chrome closed) and was looking forward to demo'ing the Body Browser.

Edit: 3x, sent feedback on their technical deficiencies.

If you go to http://bodybrowser.googlelabs.com/body.html# then you can get a little further, but it still complains about not having webGL enabled.