Air Force Lt. Col. David Hanson of Chicago takes a phone call on Dec. 24, 2010, from a child in Florida at the Santa Tracking Operations Center at Peterson Air Force Base near Colorado Springs, Colo. Santa is already piling up monster numbers on social networking sites this season, so the volunteer Santa trackers at NORAD are bracing for tens of thousands of calls and emails when their operations center goes live on Christmas Eve. (ASSOCIATED PRESS / Ed Andrieski)
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