Social media enables billions of people to participate in online social activities, either as a reader, contributor, collaborator, or leader. This raises several issues in designing for socal media. First, what motivates technology-mediated social participation? Second, how to search for information in social media. Third, how to measure the usability of social media. World Usability Day 2010 explored these issues, including understanding the context of use theory that can help researchers, designers, and managers to design and write better for social networks.
Link to John Hockenberry YouTube clip.