Transforming Our Libraries from Analog to Digital: A 2020 Vision | EDUCAUSE

"For the books we cannot buy in electronic form, I am proposing a collaborative effort to select and digitize the most widely held and used books of the 20th and 21st centuries, and to build a robust system to circulate the resulting e-books to millions and eventually billions of people...

I believe that building a major library at the scale of the Princeton University Library, the Yale University Library, or the Boston Public Library would require institutions to offer access to a curated digital collection of 10 million books, most of which are post-1923...."