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Now Playing: 08-06-12 Marketplace

Best Buy hasn't fared well in the recession and now its founder is offering nearly $9 million to buy out the company. The Curiosity Rover has successfully landed on Mars -- are humans the red planet's next arrival? Harvard is considering canceling subscriptions to costly academic journals. In New York City, scavengers are stealing cardboard scraps and making millions. Kai Ryssdal talks to sports agent Evan Morgenstein about turning Olympic amateur athletes into sponsored, money-making machines. And we take a look at the metaphors we use to describe the economy.