Groupon Adds ‘Thumbs Up’ Feedback on Deals in Revamp of Website

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Groupon Inc. is preparing a revamped version of its website, starting with “thumbs up” and “thumbs down” buttons to help the daily coupon service do a better job tailoring offers to its 33 million active users.

The company began testing a new design of the site with a small portion of users last month and plans to make it widely available in the coming weeks, Chief Executive Officer Andrew Mason said in a recent interview in San Francisco.