News release: “WorldCat, the most comprehensive online database of resources available through libraries around the world, has reached another major milestone with the addition of its 2 billionth holding… WorldCat is a database of bibliographic information created and continuously updated by some 25,000 OCLC member libraries around the world. WorldCat records describe specific works and contain a listing of institutions that own an item, referred to as “holdings.” Institutions use holdings information to create local catalogs, arrange interlibrary loans and conduct reference work…WorldCat spans six millennia of recorded knowledge, from about 4800 B.C. to the present. It encompasses records for books, serials, sound recordings, musical scores, maps, visual materials, mixed materials and computer files.”