America has a productivity problem. One explanation may be the growing use of real resources to make virtual products.
from iFeeltech IT News Mix4 https://www.nytimes.com/2018/02/28/business/economy/bitcoin-electricity-productivity.html?partner=rss&emc=rss
from
https://ifeeltechinc.wordpress.com/2018/03/01/is-bitcoin-a-waste-of-electricity-or-something-worse/