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Now Playing: 08-08-12 Marketplace

Taxpayers helped bail out Fannie Mae and Freddie Mac and now after some strong earnings, they may start paying us back. Starbucks has joined forces with mobile payment company Square, which leads us to ponder about the future of cash. Campaign ads on local TV channels in crucial swing states are pushing out small businesses that rely on TV exposure. Oregon is embracing the new health care reform to give health care access to the poor and disabled without breaking the bank. Diet pill sales are actually hurting the weight loss industry. And Freakonomics Radio's Stephen Dubner warns about the risky side of summertime fun.