This document discusses the challenges of implementing Web 2.0 technologies in libraries to meet changing user needs. It emphasizes developing a learning culture, integrating 2.0 tools into strategic planning, using technology to improve services and communication, and giving staff time and support for creative projects. Barriers to success include not aligning social media with the library's mission or planning for maintenance. The key is assessing impact and devoting resources to building an environment where staff have flexibility to innovate.