WorldCat is the world's largest network of library content and services. WorldCat libraries are dedicated to providing access to their resources on the Web, where most people start their search for information.
- Search more than 60,000 libraries in 112 countries around the world, between 1.2 billion of bibliographic records, the material in more than 470 languages and dialects
- search books, music and videos that are available in your nearest library
- search articles and digitized materials (available under certain conditions)
- provides services as "Ask a Librarian"
- build a personal profile that allows the use of Web 2.0 tools