Imagining The Fate Of Data After The Apocalypse - Technology - io9
how we could possibly hope to preserve all that data. The world's estimated stored data runs well into the petabytes (that's millions of gigabytes), and in order to contain so much data information technology has taken a turn for the short-lived and unstable. We still have readable clay tablets from millennia ago and legible paper from centuries in the past, but their modern equivalents could not reasonably hope to survive that long.
via io9.com