Even that would be too generous. Brainfuck, Befunge, INTERCAL, and Java2k were jokes, duh, never intended by their authors to "take off" in the first place. A

Even that would be too generous. Brainfuck, Befunge, INTERCAL, and Java2k were jokes, duh, never intended by their authors to "take off" in the first place. And I think "never took off" and "waned" are both inaccurate when applied to Haskell. I don't know much about VRML, SMIL, and Haskell, but I'm not inclined to trust this author's judgement of them.