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If you click and drag across the screen, then it will have the effect of doing this with your finger :)

I think that part of the effect only works on chrome. Actually I can't get any of it work work on IE9 on Win7, it just shows regular serach results.

Edit: oh I see, you have to wait for the "Defrost" button to show up before you can "wipe" the frost off. Still doesn't work in IE though :)

Works on Firefox 8 (Linux).

Wiping off the condensation works on Safari 5.1.2, too.