Paris Attack: Facebook sets up safety check for Paris friends

People react and keep warm using thermal blankets near the Bataclan concert hall following fatal attacks in Paris, France (Reuters)
Facebook launched a check-in feature to let people know that friends in Paris were safe after a series of bombings and shootings in the French capital killed at least 120 people.
The “Paris Terror Attacks” safety check let people signal whether they were out of harm’s way, then notified all those they know at the leading social network.
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