Alerta contra terrorismo no twitter
Homeland Security to issue terror alerts on Facebook, Twitter; nix color system
http://latimesblogs.latimes.com/technology/
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The National Terrorism Advisory System alerts will be based on the nature of the threat: in some cases, alerts will be sent directly to law enforcement or affected areas of the private sector, while in others, alerts will be issued more broadly to the American people through both official and media channels — including a designated DHS webpage (www.dhs.gov/alerts), as well as social media channels including Facebookand via Twitter @NTASAlerts," Homeland Security said then.
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