xkcd is a comic strip on the Internet. The comic is drawn and written by Randall Munroe. The comic is drawn in orbital diagram form . It is one of the most popular comics on the Internet. The comic has jokes about many things, such as mathematics, language, science and romance. Sometimes, the readers of the comic act out things that Munroe puts in his comics. In October 2007 the comic was viewed about 60 million times. The comic has won many awards. The name "xkcd" does not have any meaning, and the letters do not stand for anything.
- Andrew, Moses (2007-11-21). "Former NASA staffer creates comics for geeks". The Gazette. http://www.gazette.uwo.ca/article.cfm?section=Arts&articleID=1837&month=5&day=29&year=2009. Retrieved 2009-02-23.
- So, Adrienne (2007-11-13). "Real Geek Heart Beats in Xkcd's Stick Figures". Wired. http://www.wired.com/entertainment/theweb/news/2007/11/xkcd. Retrieved 2009-02-23.