Doonesbury by Garry Trudeau for June 08, 2014
Professor: Blah, blah, blan... Student: What is that noise? Professor: Blah, blah! Student: Oh, right... Professor: Okay, obviously none of you are paying any attention to me right now. Although you think you are because of your tragic faith in the efficacy of multi-tasking. In any event, there's clearly no learning going on here, nor is any likely as long as you remain so distracted. I'm sorry it's come to this, but starting today, any screen displaying anything but notes will be sniped by a grad student paint-baller in the lighting booth. Grad Student 1: Really, dude? Grad Student 2: Amazing... a kid in the front row is watching porn!