(Image credit: Apartment Therapy )

Smart merging of technology and advertising here, whether you're at the bar or at home enjoying a pint. Pour a Guinness inside one of these special glasses and the QR code pattern is revealed...

"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."

Via AdWeek