For more than four years - steadily, seriously, and with the unsentimental rigor for which we love them - civil engineers have been studying the destruction of the World Trade Center towers, sifting the tragedy for its lessons. And it turns out that one of the lessons is: Disobey authority. In a connected world, ordinary people often have access to better information than officials do.
Proof can be found in the 298-page draft report issued in April by the National Institute on Standards and Technology called Occupant Behavior, Egress, and Emergency Communications. (In layman's terms, that's who got out of the buildings, how they got out, and why.) It's an eloquent document, in many ways. The report confirms a chilling fact that was widely covered in the aftermath of the September 11 attacks. After both buildings were burning, many calls to 911 resulted in advice to stay put and wait for rescue. Also, occupants of the towers had been trained to use the stairs, not the elevators, in case of evacuation.
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