His choice of time period makes me feel really, really old. Then I remember that the early 1990s were nearly 30 years ago and that I am now really, really old.
https://twitter.com/profmusgrave/status/1341936113032822787 …
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I could also point out that when I was in college in the early 1980s, even though I went to U. of M. in Ann Arbor, only around 30 miles away from my parents, phone calls home were toll calls and cost 25c a minute at peak times (before 10 PM, IIRC). We were in the same area code.
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We had a phone card to use if anything necessitated a pay phone call home while out
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You guys are so young.
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A friend wrote a book called "One False Move: A study of children's independent mobility". It profoundly affected how we brought up our children. Yes, I died a thousand deaths for every minute they were late. But one is now an army officer and the other a lab technician.
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