As pointed out in this humorous article by Danny Sullivan, a Wikipedia entry for "Knol" is the sixth result in a Google search.  Gwikirank of 6. Actually at this time of writing, looks like it's more like 7.

I challenge you to do a search on Google and find a page without Wikipedia as one of the top 10 results.  OK, it's not that hard, but it is getting more difficult.  After reading about Knol, and perusing a few other blog posts about it, I decided to try some random searches on the big G and found had a first page result with Wikipedia. Almost all pages now have what I call a GWikiRank. A few examples.  To quote Riley from National Treasure: Snorkel: Rank ... [More]