Guinness Glass Reveals Scannable Code When Full
Posted by Gen215 from www.adweek.com
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Pour a Guinness into the glass, and the beer's black color fills out the code. Scan the code with your smartphone, and it "tweets about your pint, updates your Facebook status, checks you in via Foursquare, downloads coupons and promotions, invites your friends to join you, and even launches exclusive Guinness content.
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