Google Knol - Google's "response to Wikipedia", although I find it to be more similar to About.com.
Wikipedia Trust Coloring - An experiment in a Wikipedia trust algorithm, that colors passages in Wikipedia entries depending on how trustworthy they are. It calculates trust by looking at how often editor's contributions are modified by others.
Wikipedia's Lamest Edit Wars -
Is this article about "Wii" or "Nintendo Wii"? If it's "Wii," should it be called just "Wii" or "the Wii"? Or maybe "Nintendo's Wii"? Does it rhyme with "We" or "Wee"? Should "Wee" link to urine? Is "Wee" slang or a euphemism for urine?