"The internet is so omnipresent in most of our lives that it’s easy to forget about the vast physical network that supports it–which, among other things, is comprised of a staggering 550,000 miles of underground cabling. To show you exactly what that means, communications research firm TeleGeography and designer Markus Kristeya created the above beautifully old-timey map of each and every stretch of wire"
@Steve Toase: you may be thinking of the article by Neal Stephenson, published around three years before Cryptonomicon, which covered some of the same territory.
My friend met the guy who gathers the data at a conference the other day. I wish I could afford the submarine cables map because I have so much love for them for absolutely no reason.