There's an article by Robert Darnton in the New York Review of Books this morning: "The Library in the New Age." Although there isn't much new here, Darnton writes a very careful and thoughtful overview of the topic, and isn't afraid to call out Google for its quixotic efforts to digitize all knowledge.
Two great points he makes: 1. What is being digitized might not be the most interesting for future scholars (what of our telephone books, computer manuals and other ephemera?); and 2. Google's book division doesn't employ one book historian.