There's Stephen Colbert, "bringing democracy to knowledge" via Wikiality:
And even more interesting is the Talk:Elephant/Colbert page on Wikipedia.
Aside from the issue of Wikipedia's relative authority, and the whole issue of construction of knowledge and knowledge authority [pdf], Colbert's take on wikiality is another aspect of what he calls truthiness. After all, "if you go against what the majority of people believe to be true, you're the one who's crazy."
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