This post is a continuation of the Creating Interesting Visuals series - click here to read the previous post on Flow and Chord Charts
<p>StackExhange is a network of specialized question and answer forums. The progenitor was the well known programming forum <a href="http://stackoverflow.com/" target="blank">StackOverflow. </a> StackExchange makes the data underlying all of their forums available for anyone to explore. The queries that were used to create this app can both be found <a href="http://data.stackexchange.com/users/20420/joshua-kitz" target="blank">here</a>. </p> <p>This analysis uses explores the following four sites:</p> <p> <img src="http://cdn.sstatic.net/gis/img/favicon.ico"> <b>Geographic Information Systems</b> <a href="http://gis.stackexchange.com/" target="blank"> gis.stackexchange.com </a> </p> <p><img src="http://cdn.sstatic.net/stats/img/favicon.ico"> <b>Cross Validated</b> <a href="http://stats.stackexchange.com/" target="blank"> stats.stackexchange.com</a> </p> <p><img src="http://cdn.sstatic.net/dba/img/favicon.ico"> <b>Database Administrators</b> <a href="http://dba.stackexchange.com/" target="blank"> dba.stackexchange.com</a> </p> <p><img src="http://cdn.sstatic.net/rpg/img/favicon.ico"> <b>Role-Playing Games</b> <a href="http://rpg.stackexchange.com/" target="blank"> rpg.stackexchange.com</a> </p> <p>You can explore StackExchange data for yourself at <a href="http://data.stackexchange.com/" target="blank">data.stackexchange.com</a>