1) The document discusses using online spaces to support existing communities that are distributed geographically. It proposes providing members personalized profiles, discussion forums, and areas for sharing resources.
2) Effective community leadership in such online spaces involves distributed, not centralized, leadership. Leaders can communicate about site changes, restructure spaces as needed, and connect members with similar interests or expertise.
3) Desired features for the online community space include making it user-centered, giving members control and a sense of identity, enabling networking around shared interests, and facilitating easy organization and tagging of shared resources.