What role does human touch play in the digital age?

By PBS Newshour
Friday, January 3, 2014 18:59 EDT
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Human hand touching an android via Shutterstock
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JUDY WOODRUFF:  Hari Sreenivasan looks at the promise and perils of Silicon’s Valley push into a realm once dominated by government contractors.  HARI SREENIVASAN:  The race for the next big thing is already under way in the private sector.  Companies…

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