d238a290_n__Communities___Collaboration__Sociability_Concerns
[User Questions] 7. Can I express myself as I wish? [Usability Concerns] Will users need, want or expect emoticons, avatars, content icons, a seamless link to private email, Web pages etc.? [Sociability Concerns] 
What kind of communication capabilities does a community with this purpose require, and how should they be supported?
CoP Usability and Sociability Heuristics | Curation, Communities & Collaboration
Sociability Concerns