They're tunnelling TCP/IP over AD&D!
Halting State
by <a href="http://www.allconsuming.net/item/view/3189644/search/query?product=book&q=Charles+Stross">Charles Stross</a><br />
via allconsuming.net
"They're tunnelling TCP/IP over AD&D!" is one of the most amazing quotes I've ever read in a book. And the book is very good, covering ARGs and a future networked world very believably.