At Disney World, getting millions of visitors through the lines of their desired attractions faster is a huge logistical challenge. The theme park is taking a high-tech approach to the problem.
Dec 29, 2010 The New York Times
After a series of recent "flash mobs" of hundreds of young people spontaneously gathering in downtown Philadelphia, city officials are looking at ways of reducing the incidents and the potentially dangerous conditions they create.
Mar 30, 2010 The New York Times