A great blog that I read, and have recently added to my blog roll, is Data Mining: Text Mining, Visualization, and Social Media written by Matthew Hurst. Recently Matthew posted an interesting heatmap (below) that shows relationships of IM across the world. This map was a result of work detailed in a paper written by Jure Leskovec and Eric Horvitz called *World Wide Buzz: Planetary-scale Views on an Instant Messaging Network.*
To interpret the map, Matthew says, “A line is drawn between the locations of the participants in the conversations. When a line crosses a cell it increases its value (red).” I haven’t read the paper yet but its on my “must read pile.” Fascinating stuff alright!
From around the Social Web!
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