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Something that's continuous is analog. I would even say that the MLC/TLC/QLC use analog storage to represent multiple bits per site.

We would already have something similar with SSD and many more bits/levels per site if voltages were precise and stable over time and number of overwrites.

An interesting use would be for storing 1-dimensional data. In effect the errors would be minor and not randomized/scattered as it would be for digital encodings.

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Wasn't optane a pretty noticeable leap in voltage stability? They could've eventually pivoted to high density packing if they hadn't given up.

Optane was never going to reach Flash levels of density. It was always in that awkward zone between DDR4 and Flash. Slower than DDR4 but faster than Flash. More dense than DDR4 but less dense than Flash.

It was a failure of marketing and building. Today's computers use a team of DRAM (like DDR5) and Flash. (GPU-ram like HBM or GDDR6 are still DRAM fundamentally).

What do you call Wifi, or cellular data, or ethernet, or DOCSIS?

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