Changing Gears

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You know, I’m always surprised when I talk to anyone about how things have changed in the last 20 to 30 years and get something like “sure, we have computers, but that doesn’t make a big difference. It’s not like the introduction of the automobile, or flight.  Now if we had flying cars…”  It happens every time we’re talking about how technology has changed life, and yet it still puzzles me, because it’s a form of willful blindness.

I yield to no one in my disappointment that there are no fly...