Google Knol Opens to Public
Wikipedia Competitor Includes Identified Authors, Rankings, Ads
By ASHLEY PHILLIPS July 24, 2008 , ABC News.

Unlike Wikipedia, people who write entries on Google's encyclopedia are identified and could even earn a profit from their articles with ads. The more times the article is viewed, the more an author can get paid. Google, of course, gets a cut of the profits.
"The key principle behind Knol is authorship. Every knol will have an author (or group of authors) who put their name behind their content," the company wrote on its blog Wednesday. "It's their knol, their voice, their opinion. We expect that there will be multiple knols on the same subject, and we think that is good."

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