What technology do you think someone from 50 years ago (70s) would be surprised that we have now?

I thought of this question while watching a Star Wars video and how some of the technology they were using in that film feels outdated by today's standards. Honestly, there’s so many answers, but food delivery is the one that comes to mind.

What technology do you think someone from 50 years ago (70s) would be surprised that we have now?
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