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"What if I could pull a prank around the world, almost like a magic trick?" Roman Atwood asks in a video that's gone viral, racking up almost 3 million views days after he posted it on YouTube.
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"This is something we all do every day. But today, I'm going to make you do it," he promises.
What could Roman possibly be talking about?
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Yawning! Watch how he can make total strangers do it around the world, and see if you can watch this entire video without yawning yourself!
Tell us if you were successful in the comments section or on Twitter @OKMagazine.