In a precise parallel to the office-printing boom, print-on-demand is creating an odd new phenomenon that Blurb founder Eileen Gittens calls social publishing. Photo-and-storybook records of camping trips or corporate retreats are created as mementos for participants. There are technical manuals devoted to superniche software. And there are oceans of memoirs and poetry books, often printed in runs of one. (via Clive Thompson on the Future of Printed Books | Magazine)