You're an adult now, so DO WHAT YOUR TEACHERS TELL YOU! 
(via HLN)

The University of South Florida wants students to maintain a certain amount of decorum during graduation. Specifically, the amount of decorum you need to do nothing except hurry up, take your diploma, and make sure you gave the student loan office your new address before you leave. But if you take a selfie or "stroll" during the ceremony, they're going to play finders-keepers with the incredibly expensive diploma that declares you marginably employable in the world's eyes. Or if you march and/or step. I'm not sure what kind of walking that leaves...maybe a quick zombie shuffle? They want to protect the dignity of President Genshaft, pictured here:

Sources: HLN | Gawker | University of South Florida