We printed an estimated amount of how many people we thought were going to be using the PCs and how many using the Mac, and so when we bring those in at the end and you’re picking them up on the way out, be sure to get the one that you need and not take both. Take the ones for the product you’re going to use. If you happen to believe you’re really going to use both, it’s fine to take both, but I figure that’s pretty rare. If you know what platform you’re on, take the one for yours and not both. ... See the whole transcript at Programming Abstractions - Lecture 03