The document discusses Knowledge Hub, an online platform for collaboration within communities of practice in the public sector. It describes Knowledge Hub's features for sharing knowledge, best practices, and expertise across local authorities and organizations. The platform allows communities to form around common issues to develop solutions, maintain knowledge bases, and inspire innovation through peer interaction and access to experts. Case studies show how Knowledge Hub helps members save time and money, inform decision making, deliver outcomes, and spark new ideas. The goal is to realize improvements through knowledge retention and peer learning.