In a November 2014 WSJ article, Nicholas Carr writes, "Artificial intelligence has arrived. Today’s computers are discerning and sharp. They can sense the environment, untangle knotty problems, make subtle judgments and learn from experience…But our growing reliance on computer automation may be exacting a high price. Worrisome evidence suggests that our own intelligence is withering as we become more dependent on the artificial variety. Rather than lifting us up, smart software seems to be dumbing us down." Similar to the way modern cash registers have diminished people's ability to do math quickly in their head to calculate . . .