A colleague at UBC pointed out this striking visualization of the network of retweets at the time of Mubarak’s resignation on February 11. Computer scientist André Panisson collected an hour’s worth of retweets with the hashtag #jan25. According to Panisson: It was very interesting to see, in real time, the exact moment when Tahrir Square, from a mass protest demonstration, has been transformed in a giant party, and the burst

Google has hired two of the leading researchers in visualization. In an understated post entitled That was fast!, Fernanda Viégas and Martin Wattenberg announced that they had joined Google. Viégas and Wattenberg led IBM’s Visual Communication Lab, where they created the ground-breaking collaborative visualization platform Many Eyes. They left and set up Flowing Media a few months ago. But in the post dated August 5, the pair said they were “bidding the company adieu.”