Check out this very well-written article Future Reading: Digitization and Its
Discontents from the New Yorker that raises many important points about digitization and the chances of ever achieving one universal digital library.
The supposed universal library, then, will be not a seamless mass of books, easily linked and studied together, but a patchwork of interfaces and databases, some open to anyone with a computer and WiFi, others closed to those without access or money. The real challenge now is how to chart the tectonic plates of information that are crashing into one another and then to learn to navigate the new landscapes they are creating.