d238a290_n__Communities___Collaboration__Sociability_Concerns
[User Questions] 1. Why should I join this community? [Usability Concerns] Does the community have a clear and meaningful name? Is there a clear description of the communityâ€™s purpose? Is the content attractively presented (design, colour, graphics etc.? Will the site be updated regularly [Sociability Concerns] 
What title and content will communicate the communityâ€™s purpose effectively and attract people?
CoP Usability and Sociability Heuristics | Curation, Communities & Collaboration
Sociability Concerns