We have a GPS now.
Barb has found it
indispensable when we are in Florida.
It will always get you to your
destination but sometimes not the easiest way.
One of the things
that Barb can never understand is why it will take us on one route
going there and on a different route coming home. I tried to explain
to her the subtleties of the mathematical concept of the “greedy algorithm”
but that didn't seem to help.
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