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Image gallery: 22 free tools for data visualization and analysis
March 13, 2013 12:45 PM ET The chart below originally accompanied our story 22 free tools for data visualization and analysis (April 20, 2011). We're updating it as we cover additional tools, including 8 cool tools for data analysis, visualization and presentation (March 27, 2012) and Six useful JavaScript libraries for maps, charts and other data visualizations (March 6, 2013). Click through to those articles for full tool reviews. Features: You can sort the chart by clicking on any column header once to sort in ascending order and a second time to sort by descending (browser JavaScript required).
Google+ launches ‘Ripples’ visualisation
After what appears to be have been a rapid and widespread take-up of its Google+ social media service, Google has now launched details of its ‘Ripples’ feature. Significantly, news of the release was made by Fernanda Viegas , one of the most prominent names in the field and co-leader, with Martin Wattenberg , of Google’s “Big Picture” data visualization group. ( Update: the Ripples development team also included Jack Hebert ). The visualisation plots a network diagram to display how a post spreads as users re-share it on Google+. The direction of the sharing activity is indicated through arrows. Clustered circles show the spread of the original post within and amongst each subsequent user’s own circle of friends and followers.