Monkeys don’t open a banana from the stem, but from the other end. It makes it much easier to open and the stem makes a nice handle to keep your fingers clean. The video is going to go viral, A because it’s interesting, and B because the guy makes a mockery of himself in the first 45 seconds of the video before the final 5 teaches you the trick. This is going in the Interesting category which hasn’t seen much action in a while.