1. The document discusses the concept of a personal learning network (PLN) and how Web 2.0 tools like RSS feeds, social bookmarking, blogging, and microblogging can help educators build their PLN and collaboratively share information. 2. It proposes that if teachers used these Web 2.0 tools to connect, ongoing formal and informal learning could be shared, leading to collaboration and the dispersion of new tools and ideas throughout the school system. 3. The document envisions a future where teacher-librarians support the use of these tools to connect communities of schools and help implement professional learning through innovative teaching practices and technology.