OCLC acquired NetLibrary, a provider of electronic books and textbooks, in 2002 and sold it in 2010 to EBSCO Industries.[30] OCLC owns 100% of the shares of OCLC PICA, a library automation systems and services company which has its headquarters in Leiden in the Netherlands and which was renamed "OCLC" at the end of 2007.[31] In July 2006, the Research Libraries Group (RLG) merged with OCLC.[32][33] On January 11, 2008, OCLC announced[34] that it had purchased EZproxy.