A system which performs social interaction analysis for a plurality of participants includes a processor. The video signal may contain one or more pre-selected features, such as text. The method can be applied to manufacture of a semiconductor device or the like. The treatment fluid is circulated within the basin to provide therapy to the user’s hand. One advantage of this procedure is the reduced need to re-establish a data packet session in cases that there is a temporary lack of sufficient network resources during a hard handoff.