Google unleashes competitor to Wikipedia

After 7 months as an invitation only site, "Knol" is now open for business. Anyone with a Google log-in will be able to submit articles.

Unlike Wikipedia, however, "Knol" requires authors to identify themselves to help determine the source's credibility.

"Knol" users can also cash in on their entries. If you submit an article, you can have ads displayed on the page.

Google shares any money generated from the ads with the authors.

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