Knol: a unit of knowledge Google begins its challenge of Wikipedia. (tags: wikipedia Google knowledge collaboration crowdsourcing reference) Share this:Click to email a link to a friend (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Like this:Like Loading... Post navigation Previous Previous post: links for 2008-07-24Next Next post: links for 2008-07-29