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Google adds 'plus one' button for sharing

(Paul Sakuma)

March 31, 2011 12:00:00 AM PDT
Google is rolling out a button similar to Facebook's "like" button, but it's called the "plus one" button.

If you like a particular search term or ad, you hit the "plus one" button and people in your online circle can see your opinion.

The goal is to make search results more relevant and Google's ads more enticing to click on.

Google also will let other websites place the "plus one" button next to their content.