This document provides an overview of lecture 3 which covers online communities and social networks. It discusses:
- The topics to be covered this week including online communities, social networking platforms like Facebook, and growing thriving online communities.
- Instructions for students regarding class representatives, blog assignments, and setting up online profiles for participation. Groups will be allocated to start thinking of online community ideas.
- Key aspects of online communities including their virtual nature, examples like Facebook and Wikipedia, and how they break barriers of time and space compared to offline interactions.