Check out this well written, thoughtful post at Lawrence Lessig's Blog:

I love public libraries. As a kid, I spent most of my lazy Saturday afternoons inside one of the various branches of our library system, delighted at the idea that, wherever I looked, there would be stories, magazines, or books on virtually any subject to capture my attention. The feel of the library was no less captivating. An ethos of learning and relaxation definitely hung in the air, bringing together people of all ages -- from pre-schoolers to senior citizens -- into the midst of a Renaissance-like mesh of scientific thinking and artistic expression. Read more from The spirit of public libraries in free culture