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Twitter hashtags allow citizens to share vital information and make sense of acute crisis events such as terrorist attacks. They also enable those watching from afar to express their sympathy and solidarity with the victims. Perhaps the most well known of these has been #PorteOuverte (translated into English as “Open Door”), first used during the November 2015 terrorist attacks in Paris before re-emerging during subsequent atrocities in Brussels (March 2016) and Nice (July 2016). The hashtag was originally created by journalist Sylvain Lapoix in order to connect those in Paris looking for somewhere to stay with those able to offer them refuge, before reaching an international audience courtesy of its amplification by public figures and citizens based overseas. This article adds to this emergent literature by analyzing the networked gatekeeping dynamics of #PorteOuverte during the Paris terror attacks. It does so by reviewing the literature on Twitter hashtags and acute crisis events, exploring how Twitter was used during the Paris terror attacks, and presenting the results of a Social Network Analysis (SNA) of 399,256 #PorteOuverte tweets posted as the attacks unfolded on 13 November 2015. Results indicate that professional journalists were key broadcasters during four identified peaks within #PorteOuverte, helping to promote the informational hashtag and connect those directly affected. However, citizens and bloggers played an increasingly important gatekeeping function in the aftermath of events such as the Bataclan siege in Paris.

social media + society

Organizational Hashtags During Times of Crisis: Analyzing the Broadcasting and Gatekeeping Dynamics of #PorteOuverte During the November 2015 Paris Terror Attacks