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Now Playing: 05-02-12 Marketplace

Online networks like Hulu are trying to compete with traditional networks for advertising. Europe's austerity economics is plunging the continent into recession, and commentator Robert Reich says the U.S. isn't far behind. Mastercard reported a 25 percent increase in first quarter profits. Kai Ryssdal talks to Marketo CEO Phil Fernandez about Facebook's upcoming road show and about to "sell" a company ahead of an IPO. And on the latest installment of Freakonomics radio, the hidden side of flowers as gifts.