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Oprah’s Investment in Weight Watchers Was Smart Because the Program Doesn’t Work http://nymag.com/scienceofus/2015/10/why-weight-watchers-doesnt-work.html "Winfrey’s venture is, in fact, a brilliant investment, although not necessarily for the reason she thinks. It’s brilliant not because Weight Watchers works but because it doesn’t. It’s the perfect business model. People give Weight Watchers the credit when they lose weight. Then they regain the weight and blame themselves. This sets them up to join Weight Watchers all over again, and they do."