An economics professor at Aquinas College in Grand Rapids, Michigan thought he had a fair policy regarding phone calls in class. If a student received a call during class, they would have to put it on speaker for the whole class to hear.
This policy was meant to deter students from leaving their phones on during the class period so that there would be no interruptions.
However, this plan backfired on him after this student received a phone call. The smiles and laughter quickly became an awkward silence much to the professor