I spoke at the Personal Democracy Forum on June 5, 2015 on the topic of taking pictures of virtual crowds.
You can request a sample NodeXL social media map and report from http://connectedaction.net
Here is a map of the #PDF15 hashtag: https://nodexlgraphgallery.org/Pages/Graph.aspx?graphID=47170
The graph represents a network of 4,405 Twitter users whose tweets in the requested range contained “#pdf15 OR #wegov OR pdmteam OR @techpresident OR “personal democracy” OR Mlsif”, tweeted over the 42-day, 2-hour, 38-minute period from Saturday, 02 May 2015 at 21:24 UTC to Sunday, 14 June 2015 at 00:02 UTC.
Top 10 Vertices, Ranked by Betweenness Centrality:
Top Hashtags in Tweet in Entire Graph: