Created by New York developer George Michael Brower (opens in new tab), with audio by Jon Baken, the demo is spreading around the world like wildfire.
At first glance, it just seems to be an animated worm that wiggles in response to your mouse movements.
However, start vibrating your mouse at speed and all hell breaks loose.
Quite rightly, Brower has posted a warning at the bottom: "Those at risk of epileptic seizures should choose a different website."
Staggeringbeauty.com is best viewed in Google Chrome (opens in new tab). If it doesn't work properly in your browser, you can see what all the fuss is about in this video (with added 'comedic' commentary at the start):
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