WorldCat database reaches 2 billion holdings

On May 7, WorlCat announced that it had added its two billionth holding, via an ebook record uploaded by the University of Alberta Libraries.  WorldCat was created in 1971 for libraries to share cataloguing information from a central database. Today, WorldCat contains records of the holdings of 72,000 libraries in 170 countries and territories. It is interesting to note that Canada was the second country to use WorldCat after the U.S.  The history of the exponential growth of the WorldCat holdings is fascinating:  It took thirty-four years to reach one billion records, yet only eight to reach two billion:


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