The document discusses how technology has changed how groups can interact and be together. It explores polarities around togetherness and separateness, interacting and publishing, and individual and group identities. It then examines how different orientations like meetings, projects, relationships, and individual participation can be supported through various technologies. Examples are provided of how the Birdwatchers community and KM4Dev network demonstrate different orientations. The document is intended to help people identify what technologies and tools might best support their specific community's needs and activities.