Brookings Institution

U.S. National Archives / via Flickr

Patent activity - an indicator of economic ingenuity - has been on a steady rise for the past three decades, a report by the Brookings Institution has found, but innovation is shifting to high-tech sectors and the highly educated.

You may have seen videos of robots interacting humans in laboratories and wondered when we'll see those robots on store shelves. One industry expert says that moment is closer than you think.