Colleges share many things on Twitter, but one topic can be risky to broach: the reading habits of library patrons. Patrons' privacy is precious to most librarians. Yet new Web services thrive on collecting and sharing the very information that has long been protected. This points to an emerging tension as libraries embrace digital services.…

Stanford University is going through the difficult and highly fraught process of figuring out a plan for the library of the future. Coming on the heels of the "bookless library," touted as the vision for a new engineering library, a preliminary proposal in 2007 to tear down the seismically unsafe Meyer Library and digitize and house off campus…