If you don't know who John Green is, now is your chance to fall in love with his brain. Unlike a lot of graduation speeches, Green's gets real about how almost every graduate in the room is about to become a nobody. Somehow, it doesn't sound quite as bad when he says it. Go to 4:34 for an exercise straight outta the Mr. Rogers playbook, or skip to 6:44 to discover the harsh realities of the universe. At 11:46, he describes how being a nobody comes with the added benefit of learning how to not be a jerk, and there's a little career tip at 15:01 concerning old people and the Internet.