Librarian and tech expert Karen Coyle provides insight into the evolving conflict that caused OCLC to file suit against the company Clarivate which owns Proquest and ExLibris. The suit focuses on a metadata service proposed by Ex Libris called “MetaDoor.” MetaDoor isn’t a bibliographic database à la WorldCat, it is a peer-to-peer service that allows its users to find quality records in the catalog systems of other libraries.