Turns out you can write a lot of very prescient-sounding scifi by taking tech that already exist but isn't widely known, and positing a world where it is everywhere
I think this is one reason 'Shockwave Rider' [0] from 1975 still holds up quite well today. IIRC the author (John Brunner) had people using their phones to access remote computers and didn't go into tech details of how they actually did this. When I read it more recently, it held up much better than (say) Arthur C. Clarke novels from the same era, because Clarke as a hard-SF technologist tried e.g. to predict what future gadgets might look like and how they might work.
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I think this is one reason 'Shockwave Rider' [0] from 1975 still holds up quite well today. IIRC the author (John Brunner) had people using their phones to access remote computers and didn't go into tech details of how they actually did this. When I read it more recently, it held up much better than (say) Arthur C. Clarke novels from the same era, because Clarke as a hard-SF technologist tried e.g. to predict what future gadgets might look like and how they might work.
[0] https://en.wikipedia.org/wiki/The_Shockwave_Rider