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Published in : 2010-12-12 | by CBS
Online sites like Groupon and LivingSocial are pioneering the hottest thing in retail marketing. You sign up, and every day you get a coupon for half off or more at ...
Published in : 2011-04-06 | by CBS
Erica Hill speaks with business and economics correspondent Rebecca Jarvis about the rise of online coupons that reward consumers and business owners.