- Social network analysis to find out who is talking to who
- Content analysis through coding teaching and learning activities as a way to find out what they are talking about
- Context analysis focusing on the experiences of the participants to find out why they are talking as they do
The second item was a Search Engine Watch post by Rob D. Young, Users Respond to Google+ and Facebook Interfaces Nearly Identically which uses heatmaps derived by eye-tracking. No great surprises here, but good data showing that Google+ is on a solid track.