From CNN:
Federal air marshals are supposed to blend in with passengers on planes, but an alleged run-in with a Twitter-happy celebrity is highlighting how technology could blow their cover in an instant.
It started when reality television star Kim Kardashian was on a flight to Los Angeles, California, earlier this week and became intrigued by her neighbor. . . .
http://www.cnn.com/2010/TRAVEL/02/19...x.html?hpt=Mid