YouTube user MarcoRubo created this video of him juggling 3 Rubik's Cubes and successfully solving all 3 puzzles in just 20 seconds! That's amazing!
But it doesn't impress everyone. The Telegraph notes that some people on the internet think that the video is fake:
"It's definitely being played in reverse," says Reddit user TarmacFFS. "The throws are too effortless and the catches have too much force. You don't just open your hand and something flies out of it, and you don't yank objects out of the air. […]
The theory that the video is played backwards appears to be the most popular – with other critics suggesting that the sound effects were dubbed in afterwards. One commenter even notes that viewers conveniently can't see the mouth of anybody speaking.
-via Geek Tyrant
UPDATE 3/24/16: It's fake.