At the guest talk on April 4th, Judd Antin mentioned the concept of social translucency. Here’s a reading for those of you who are interested in reading further – Erickson, Thomas and Wendy Kellogg. (2000). Social Translucence: An Approach to Designing Systems that Support Social Processes. In ACM Transactions on Computer-Human Interaction, Vol. 7, No. 1, pgs. 59-83.