A term that Google hopes will become familiar in our mouths as household words, or at least as familiar as wiki. Its the next stage in their quest for world domination, the googlepedia.
They have an example article up already as a screenshot.
The greater resources the better, I guess, but the word, not to put too fine a point upon it, sucks. (Although I want to be the first to contribute an article on the Kennedy assassination. The grassy knol.)