Charting influence. It's amazing when you look at the intersection of science and social media.Dr. Marc Smith is the Chief Social Scientist Connected Action Consulting Group, who has taken social network analysis to a whole new level.He has created a free application to visualize social media, called NodeXL (see an example of one of the graphics, left). He could be called a social physicist or computational social scientist, but is probably best described as a social cartographer.His work has important implications related to the collection and use of data. In this emerging field, Marc is a wonderfully articulate leader. Don't miss this show!