This document discusses personal learning networks (PLNs) and how individuals can build their own PLNs. It provides examples of different tools and resources that can be used as part of a PLN, including blogs that can be subscribed to using RSS feeds, online conferences, social bookmarking sites, and social networking sites like Ning and Twitter. The document emphasizes that a personal learning network allows individuals to engage in lifelong learning by providing access to information and opportunities to join online conversations.