how to come up with good ideas | mark rober | tedxyouth@columbiasc Published 9 years ago • 1.5M plays • Length 17:38 Download video MP4 Download video MP3 Similar videos 15:09 the super mario effect - tricking your brain into learning more | mark rober | tedxpenn 0:44 i tricked these trick-or-treaters @crunchlabs @mrbeast 11:34 using drones to plant 20,000,000 trees 2:52 skin a watermelon party trick 4:55 i cleaned the world’s dirtiest beach #teamseas