Yesterday's Fantasies --> Today's Inventions
During my long lifetime I've seen many of the concepts in science fiction stories come to pass. The most fantastic being Neil Armstrong's moon walk, and another being the kind of computers we have today. My first one was a Commodore 64, and that was when I was already an adult with children. Do you remember "Get Smart"? The phone in a shoe?
Fantastic idea, wasn't it. But then even MORE fantastic was Dick Tracy's watch phone.
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What are one or two things you have seen in your lifetime that existed only in science fiction while you were young, and now, here they are.