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The Boston Globe

Metro

Researchers try to map social contacts after bombings

In the minutes after the Marathon bombings, phones began to ring and buzz as people checked on family members, friends, and distant relations in Boston. R U OK?, they texted. What happened, they asked.

Researchers at Northeastern University are asking residents and visitors who used their cellphones to keep in touch with their social network after the bombings to download a smartphone app to help them understand how, exactly, we communicated in the aftermath of the tragedy. Did we call the people we are in touch with most frequently, or were we flooded with voicemails and messages from people we haven’t spoken to in weeks or years?

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