Social networking has become a terrific way for people to interact without leaving their computers. As long as a person has an Internet connection, reliable computer and telephone, there is no need to leave the comfort of a chair or couch for any reason, except, perhaps to sleep. So far, sports and recreation participants must drag themselves away from their computer screens. Once they are done with their workouts and the few actual real life encounters they allow themselves, they return to Facebook and other sites to report to their “Friends” about their adventures. High school cheerleader Bree Vargo, of Middlefield, Ohio, is the subject of a recent social networking issue that links sport with technology.