[a8i]

Ironically, this post's explanation caused me understand the pumping lemma for the first time after years of letting my eyes just slide over any time I read across a mention.

(It nerdsniped me by claiming it was difficult.)

[jfb]

Same here. Also, cheers for "nerdsniped." I'd never heard that before.

[cschmidt]

http://xkcd.com/356/