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Physical, human-legible media, like punch cards
I once saw an application, I think some sort of old computer emulator tool, on a smartphone, read a punch card using the camera. Which made me think, QR codes are a difficult for humans to read way to put code onto a physical sheet of paper and them pass it to a computer, just like punch cards were, when it comes to technology, there is nothing new under the sun, and on a cycle, everything old is eventually new again.
I think this is roughly it:
- Magnetic beads manually strung on a thread, each one representing a single bit
- Punch cards/tapes
- Single-line text editors, for use on a teletype (a-la
edorqed- which still somewhat alive assed) - Multi-line, or “visual” editors, for use on the terminal (a-la
vi) - Modern IDEs
