(YouTube link)

Of all the not-made-for-the-internet pranks, this one ranks pretty high on the cleverness scale. The professor has a policy against phones ringing in class. If a phone rings, you have to answer it on speakerphone mode. It’s the equivalent of “You should share that note with everyone in the class.” And it’s a little strange for a college class. But the students were ready for the first of April with a call that may make him reconsider the policy for good. -via reddit