The document discusses how social software can be used in libraries. It defines social software as tools that allow people to communicate, collaborate, build community online, or share and reuse content. The document suggests libraries can use social tools to highlight and create communities around collections, collect and disseminate knowledge, engage users where they are online, have transparent conversations, improve knowledge sharing among staff, and communicate with users when they need help. It provides strategies for implementing social software like knowing users, having a risk-tolerant and learning culture, involving all staff, and capitalizing on networks.