We're at ROFLCON this weekend -- feel free to follow along at home, it's sort of like TED for the internets. Yesterday was pretty amazing -- from BERKMAN CENTER guru ETHAN ZUCKERMAN's next-level presentation arguing for international meme diplomacy, to clicktastic appearances by the likes of MAHIR, Keyboard Cat creator CHARLIE SCHMIDT, "Potter Puppet Pals" creator and an undrugged appearance by the Davids from DAVID AFTER DENTIST