This theme of slow technological advancement echos with a recent NPR podcast. http://www.npr.org/sections/money/2017/05/19/529178937/episode-772-small-change ht

This theme of slow technological advancement echos with a recent NPR podcast. http://www.npr.org/sections/money/2017/05/19/529178937/episode-772-small-change http://www.npr.org/sections/money/2017/05/19/529178937/episo... Basically they say that productivity growth is sporadic, rather than continuous. I took this as a cautionary tale that we shouldn't be too hyped about the future. Keep your feet down to the earth, etc.