From: Alan Ruttenberg <alanr@media.mit.edu>
Date: Tue, 2 Nov 93 20:12:15 PST
To: cypherpunks@toad.com
Subject: trivia question
Message-ID: <9311030407.AA16095@media.mit.edu>
MIME-Version: 1.0
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A friend, (who wished to remain anonymous :) asks:

Perhaps you can forward for me a trivia question I've been trying to
get answered.

I'm pretty sure the phreak magazine "2600" is named after 2.6KHz,
which I think was a tone used for some phone billing system that
got cracked (perhaps Cap'n Crunch's whistle frequency?)

The trivia question is this: can anyone point me to a definitive
reference for what 2600 really was? An ACM article or the particular
phone system or the cracker who exploited it would suffice.

thanks!