Making the Right Decision in Choosing a Backpack

xkcd looks at how for some choosing the right backpack is often the most important decision in their life.

"This one is perfect in every way, except that for some reason it's woven from a tungsten mesh, so it weighs 85 pounds and I'll need to carry it around on a hand cart." "That seems like a bad–" "BUT IT HAS THE PERFECT POCKET ARRANGEMENT!"