The document discusses the importance of social networking for teacher librarians and library technicians in Canadian schools, highlighting its role in building professional relationships and sharing resources. It outlines the emergence of online communities and tools that facilitate collaboration and learning, as well as the inception and objectives of the CASLNetwork, which aims to provide a national professional network for school library specialists. Additionally, it addresses challenges related to time management, privacy, and accessing professional development in the context of web 2.0 technologies.