Bill Hicks once said "People are rubbish, that's my general contention. I can prove it, with math, on paper". Or something along those lines.
For those of us who share that disposition from time to time, there's XKCD. So immensely popular that I don't need to review it or plug it or pimp it … just follow this link and enjoy the ingenious application of a wrench to a 00000 dollar problem. I think I might to start a meme – "What we need is a dollar wrench".