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I want an AI TV that blocks all forms of advertising.
(lemmy.world)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.
"See how you can call people with your telephone? It's like that, but you can send text messages instead. All telephones have a little screen to display the message."
I don't think people from the 80s would have much trouble understanding sms, tbh.
Or, and hear me out, you could say "portable fax" and be done with it. YOU are making it complicated by not being culturally acclimated to the timeframe when it was written. Everyone knew what faxes were, no explanation was necessary.
Portable fax: thing that sends and receives messages
Portable Fax IS how you describe SMS in the 80s.
I dont mean that your understanding is unimportant, but that you inherently understand what's being described to a degree that to hear it described differently than you expect you reject what you hear in favor of assuming the folks in the 80s needed more than "portable fax" to understand what you are on about.
Pagers were in somewhat common use in the 60s, by 1980 wide area paging was on the market offering the ability to send text messages to portable devices anywhere in the country - I'd describe sms as two way pagers.
That'd work, but Sagan opted for portable fax.