This article considers the many developments in technology and practice that are making libraries more connected and interdependent. It looks at new integrated online services and reviews the increasing importance of both formal and informal standards. Global centralized Web services are discussed. The relationships between information industry companies and libraries are considered. Virtual reference services and far-reaching digitization projects are explored. The article concludes that close cooperation is allowing libraries to take their services to new levels and is key to the continued innovation of those services.