Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about WorldCat?
Summarize this article for a 10 year old
WorldCat is a union catalog that itemizes the collections of tens of thousands of institutions (mostly libraries), in many countries, that are current or past members of the OCLC global cooperative. It is operated by OCLC, Inc. Many of the OCLC member libraries collectively maintain WorldCat's database, the world's largest bibliographic database. The database includes other information sources in addition to member library collections. OCLC makes WorldCat itself available free to libraries, but the catalog is the foundation for other subscription OCLC services (such as resource sharing and collection management). WorldCat is used by librarians for cataloging and research and by the general public.
Type of site
|Network of library content and services
List of languages
|Optional, but some features require registration (such as writing reviews and making lists or bibliographies)
|January 21, 1998; 25 years ago (1998-01-21) (date of registry of the new domain name; the database already existed since 1971)
As of December 2021[update], WorldCat contained over 540 million bibliographic records in 483 languages, representing over 3 billion physical and digital library assets, and the WorldCat persons dataset (mined from WorldCat) included over 100 million people.
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