Part two of Cory Doctorow’s podcast of a science fiction story in progress, "When Sysadmins Ruled the Earth," about an apocalypse that is survived by thousands of systems administrators locked into sealed data-centers around the globe. This story will be published in issue two of Baen’s Astounding Stories.
From http://www.archive.org/details/Cory_Doctorow_Podcast_11