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Re #18, last paragraph: The "dream" as so often articulated by what-the-future-will-be-like "prophets" is that, say, your refrigerator will notice when you're out of milk and tell you (or, in some versions, order it automatically). Similarly, I heard (second-hand) a news story about a university where the washing machines in the dorms are on the network so it's easy to remotely see how close to being done one's load is or what machines are currently free.
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