'Flocking' behavior lands on social networking sites - USATODAY.com

John Tropea - Delicious Social Network

The study of 1,178 adults ages 25 to 74 is based on data collected at the Center for the Digital Future at the University of Southern California in 2002 and 2007. Jeri Saper, 52, of Austin is a fully immersed user of Twitter and Facebook, on both her computer and her phone. "I