1. The document discusses tools and technologies for forming online communities, including social networking sites, photo sharing sites, and video sharing sites that allow people to connect globally. 2. It describes the Webheads community, an online language learning community with over 300 members from 50 countries that has sustained itself for over 10 years through regular online meetings and communication. 3. Key factors that have sustained the Webheads community include a common interest in language teaching/learning, international friendship, the vision of key members, and technologies that enable regular communication and knowledge sharing across distances.