Software is so interesting. You build something with materials that cost next to nothing and it can do work trillions of times for billions of people for next to nothing.
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Don’t you have to maintain it though?
If you chose not to, you'd be in exactly the position that you'd be in if the software were embodied in the design of a machine. So this is an unusual kind of "have to," the kind that implies an opportunity to do something good, rather than the kind that means you're forced to.
