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Now Playing: 05-17-13 Marketplace

It's a big weekend in mental health — the diagnotic bible, the DSM5 is set to be released. Scientific controversy aside, what is the book really worth? On Wall Street, banks are taking on Bloomberg in the wake of news that  the news service’s reporters snooped on clients through Bloomberg trading terminals. We look at the business implicatins for the company. Also, before you hit the road this weekend, car makers are setting up a new campaign to get you to stop texting and driving. How good has the technology side of this gotten?