Re: O RLY @jake
"Whitespace is insane."
Not really. It's more a parody and/or satire ... but one that works.
Something often missed when it comes to such languages: It made the authors think more about the design and implementation of programming languages than simply learning a handful of languages might. Likewise, anybody learning to use it will have several "ah-hah!" moments that will be usable with more normal languages. These things force the user to think beyond the simplicity of the school chalkboard.
Besides, as any fule no, the definition of insanity is writing a C compiler in Sendmail's configuration language without the help of M4 ...