A knol is more than a unit of knowledge. Once people begin creating these in earnest, they should become a unit of currency for Google, too.

Udi Manber posted about the knol at the official Google blog. The knol represents part of the solution to the challenge posed by Google's ruling triumvirate to "find a way to help people share their knowledge."

We'll never know if some wiseass Googler suggested "posting more links to Blogger.com" as a quick and easy solution. Shame, really.

Rather than blogging, which nearly everyone does these days, don'tcha know, Google plans to roll out a new free tool called a knol. "Our goal is to encourage people who know a particular subject to write an authoritative article about it," said Manber.

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