Google unveils reference tool after 7-month test

(AP) -- Google Inc. is taking the wraps off an Internet encyclopedia designed to give people a chance to show off - and profit from - their expertise on any topic.

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<p><a href="http://www.physorg.com/news136047521.html">Google unveils reference tool after 7-month test</a></p> <p>(AP) -- Google Inc. is taking the wraps off an Internet encyclopedia designed to give people a chance to show off - and profit from - their expertise on any topic.</p>