How much effort and innovation can a band put into producing their music videos? When it comes to the American rock-band OK GO, the answer is A LOT. Becoming a notable youtube presence around 2010 with their famous "Treadmill Dance", OK GO keep pushing the boundaries of creativity in each consecutive video they make. Check out this amazing optical illusion video by these so talented guys, and if you enjoy it, make sure to see their other projects as well. Truly brilliant!