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Now Playing: 05-02-14 Marketplace Tech - Tesla batteries

The White House has released a new report this week on big data and our privacy. The report examines everything from how big companies are using data in marketing, to whether new technologies present challenges to current privacy policies. And Tesla's CEO Elon Musk has decided to build new battery factories for his popular electric cars in at least two different states. It's a strategy that Musk says will help the company ramp up production of Teslas. Plus, play along with Marketplace Tech's Friday numbers game: Silicon Tally.