Back in 1971, Michael Hart was given an operator's account with $100 million of computer time in it, courtesy of the operators of the Xerox Sigma V mainframe at the Materials Research Lab at the University of Illinois. He decided to give something back by creating electronic versions of different important documents, such as the Declaration of Independence. Thus, Project Gutenberg was born, and today this online archive contains 32,000 books which can be read online or on a portable device. From the homepage, visitors can perform a simple search, or use the "Bookshelves by topic" or "Top downloads" sections to focus in for some new reading material. Some of the most popular works include "Dracula", "Ulysses", and "The Count of Monte Cristo". Of course, visitors should also check out more obscure gems, like "The Anatomy of Melancholy", by scholar and Oxford fellow Robert Burton.