WALTHAM, MA - FEBRUARY 3: A BigDog robot at Boston Dynamics. Innovation Economy column on local robotics company called Boston Dynamics, which mainly does military contracting work - they just won a big contract this week from the Department of Defense. One of their robots, called BigDog, is being developed to help soldiers carry heavy equipment in the field -- it can literally follow a human being, walking across wet/sandy/rocky terrain, just like a dog would. (Photo by Suzanne Kreiter/The Boston Globe via Getty Images)
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