Economist J. Bradford DeLong points out that technological change has brought forth goods and services that would have been simply unimaginable a century ago. List one innovation since 1990. How might it have boosted productivity? If you could invent s

Economics class. This is a discussion question not a paper. Must be 250 words must cite work.

Economist J. Bradford DeLong points out that technological change has brought forth goods and services that would have been simply unimaginable a century ago.  List one innovation since 1990.  How might it have boosted productivity?  If you could invent something new to help boost productivity, what would it be?