• Identity - uniquely identifying people in the system

• Presence - knowing who is online, available or otherwise nearby

• Relationships - describing how two users in the system are related

• Conversations - talking to other people through the community

• Groups - forming communities of interest

• Reputation - knowing the status of other people in the system

• Sharing - sharing things that are meaningful to participants (like photos or videos)

• Awareness - know who has similar interests/tastes/content and activity

These are just place holders for now.  We will be updating with examples and screenshots of various examples of these characteristics.  Please feel free to suggest examples!