What technologies have developed as far as they can?

I'm thinking beer cans, pencils, LEDs, paper clips, chop sticks, and tissue paper (kleenex and TP). Not much will change with them. What else?

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Northwest · M

LEDs have a lot more to go both in terms of materials science and connectivity.

Paper clips will be looking for a function to perform in a decade or so.

TP may become obsolete thanks to all inclusive toilet/bidet combos.

Chop sticks? They've seen the fork, right?