I was at Startup School and did this hack as well (grabbing a pizza box) because it was obvious that there were plenty of other boxes to go around. It wouldn't

I was at Startup School and did this hack as well (grabbing a pizza box) because it was obvious that there were plenty of other boxes to go around. It wouldn't work in a situation where there was a limited amount, like mentioned before, but it was a good hack for that specific situation. Also, people who grabbed boxes often walked up the line and offered pizza. Hack + good deed.