1 Subjects: “...Social network...”

2 Subjects: “...Social networking service...”

3 Subjects: “...online social networks...”

4 Subjects: “...Social networking service...”

5 “... or wearables and online venues like virtual worlds and social networks have penetrated every part of our lives...”

6 “... is not the same as the next. Social networking activities often beg, pilfer and borrow 'content' from 'traditional...”