This document discusses using online tools to build communities of practice. It defines communities of practice as groups that share a passion for something they do and learn how to improve through regular interaction. It introduces the POST method for selecting tools, which focuses on people, objectives, strategies, and technology. Attendees are instructed to use the Wiggio platform to introduce themselves and the digital tool they plan to try out over the next two weeks to help their community of practice. Additional resources on social media and digital habitats are also provided.