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COMPUTERS are rapidly becoming tomorrow’s antiques. The first computer to
sell a million went on sale 15 years ago—in 1981. It was the ZX81, which
with 1K of RAM cost less than £70. You can find the original marketing
blurb on http://www.nvg.unit.no/sinclair/zx81bumf.html. With its talk of
“massive 16K RAM” expansion packs, the site has a certain period charm.

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