xkcd is a webcomic created by Randall Munroe, a former contractor for NASA. The comic’s tagline describes it as “a webcomic of romance, sarcasm, math, and language
xkcd is one of the geekyest comics available – some of the strips go right over my head. A simple style comic, it has gathered a geek cult following which has permiated into many aspects of life online.
The simple stick figures are well known accross the interwebs!