S.O.C.I.A.L.

1. S.ocialness

1.1. activity

1.2. presence

1.3. identity

1.4. relations

1.5. groups

1.6. reputation

1.7. sharing

1.8. conversation

1.9. challenges

2. L.inkedness

2.1. RSS

2.2. widgetized

2.3. remixable

2.4. import / export

2.5. open social

2.6. social bookmarked

2.7. API

2.8. openID

3. C.ollaborative

3.1. crowd-sourced

3.2. user-generated content

3.3. peer-to-peer

3.4. comm. & collab. tools

4. O.rganicness

4.1. free tagging

4.2. self-organising

4.3. free linking

4.4. free grouping

4.5. organic networks

5. I.ntelligent

5.1. aggregation mechanism

5.2. collaborative filtering

5.3. rating, radio-activity

5.4. karma, reputation

6. A.liveness

6.1. signs of life

6.2. talk of the town