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Chinese fossil fuels displaced by Paris attackes in #g20 hashtag

Social media network maps of the connections among the people who are tweeting "#g20" show a shift in topics after the Paris attacks. While the discussion had been focused on Chinese energy use and subsidy for fossil fuel, it is now focused on the Paris Attacks. Here are four snapshot views of the #G20 hashtag over the past two days:
Each links to a deeper report and summary of the groups and content being discussed in connection with the #20 meeting.
The social media discussion around the #G20 shifted Friday, from a focus on fossil fuels [values are frequency counts]:
[1281] china, [1270] oil, [1243] japan, [1201] antalya, [773] turkey,[654] g20antalyasummit, [540] g20turkey2015, [469] w20turkey, [353] fossilfuel
To a focus Saturday morning on the Paris attacks:
[1170] antalya, [1137] paris, [951] parisattacks, [939] g20turkey, [828] turkey[595] g20turkey2015, [568] hollande, [466] dŸnya5tenbŸyŸktŸr, [363] syria
The leading influencers in the #g20 hashtag on Friday morning were:
@G20Turkeu2015 @G20Live
Some of the accounts prominent on Friday were displaced by new leading voices on Saturday:
@AnadoluAjansi @JaponGov @Oxfam
Schematic overviews of these networks show that they remain dominated by "broadcast" hub-and-spoke network patterns. Many distinct clusters are present, each organized around one or a few accounts in a "star" pattern. Each hub of these clusters is a broadcaster with its own "audience" - groups of people who share a common retweet or reply to that hub but who do not communicate with one another. A dense interconnected web of connections would be a "community" - a pattern that is mostly absent from these social media networks.
https://www.nodexlgraphgallery.org/Pages/InteractiveGraph.aspx?graphID=57202
https://www.nodexlgraphgallery.org/Pages/InteractiveGraph.aspx?graphID=57159