Yes, training Goldfish, on YouTube.

Which reminds me of a story my undergraduate philosophy professor told me.

She was taking a psychology class with a professor that really liked his students to take notes. He also liked to pace in front of the blackboard when he lectured. After finishing the section on Pavlov the class got together and decided to only take notes when the professor was in front of the left side of the blackboard. After a week he was only pacing there. So the next week they cut the left hand side in half and did it again. And again. They kept cutting his pacing space in half and in a month had him firmly planted on the left hand side of the blackboard.

Oddly enough, when they finally told him what they'd done he wasn't very happy.