Obama inauguration guarded by high-def video system

The Inauguration event ushering President Barack Obama and his family into the White House saw Washington, D.C.'s streets filled with crowds that were monitored using an advanced video-surveillance system. The video surveillance, based on high-definition cameras discretely placed to monitor street activity throughout a swath of the city, streamed real-time images wirelessly to command centers operated by the Washington, D.C. police department, the Secret Service, the FBI and other protective agencies.

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