A sign of the times, to be sure. While some attribute this move to the “EB-Killer app” Wikipedia, a more reasoned view is that information is changing so quickly — and our reliance and need for the latest, most accurate news with it — that the print cycle of EB is no longer quick enough. This move also serves as a milestone on the path to our changing educational resources. Whether students start coming to campus with only a tablet in hand in a couple of years, or yet another unseen innovation takes the lead, clearly we are seeing a further step in the evolution toward digital content.

After 244 Years, Encyclopaedia Britannica Stops the Presses – NYTimes.com.