Damn, you think. You are standing next to the printer and you are looking at the multiple A4 sheets with your presentation hand-out on it. Or, well, it should have been on there. One of the slides is three quarters of that A4 page… and the back of that A4 is blank. With a sigh you throw the stack of A4 papers in the paper bin and you walk back to your laptop to try to print it out again…