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Technology sure has come a long way
(lemmy.world)
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this post was submitted on 26 Mar 2025
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Well, I realize that 1970s sounds like an age of dinosaurs to some people... But, people back then weren't cavemen. They had electricity, batteries, video cameras, telephones.
The concept of an electric outlet in a couch is easy - not sure, but they might even had such things back then. Like to feed a lamp or something. USB is just low voltage and different connector, from the power transmission perspective.
The concept of a speakerphone with video signal is also easy. The only thing to grasp is that the devices and batteries became that miniature and efficient. Oh, and wireless.
Explaining that all video and voice recordings from all these neat devices are actually stored by a gigantic corporation, processed with voice and face recognition algorithms, and used to enrich personal profiles collected on all parties of the conversation to boost profits of said corporations, and many people even pay for this - THAT I would find complicated to explain.
Mobile phones wouldnt be strange by the 70's. Two way handheld radios and car phones been around since the 40's and the first cellphone was demonstrated in 1973.
Not too difficult a concept for them
:D
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