>>That's all true except that 'sealed move' wasn't invented at Fischer-Spassky time. Actually, it was used all time since official tournaments started, i.e. since 19th century. Currently, it became obsolete because games are not interrupted more, i.e. players are required now to finish game during one playing day. Snail mail play is also extinct. The reason is quite simple: computer age.
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>Not completely extinct. I've been playing via mail with a couple of opponents since I was in high school.
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>FWIW I'm also an avid CW (morse code) ham operator.
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>Some things just don't die.

But did you play CW chess? :)

Kidding aside, I think I met a few people who did. While I did learn Morse in the army, I forgot it just as fast. I still have picture of myself with a neon bar shining in my hand.

My tech amateur days were always around photography - but the radio guys were usually nearby, so we met often, and yep, they're just the same geeks :).