Studies show that a person who is interrupted takes 5o percent longer to accomplish a task. Not only that, he or she makes up to 5o percent more errors.
Try creating an interruption-free zone during the day-turn off your e-mail, phone, IM program, or BlackBerry-and see whether you get more done.
Audiences check out after I 0 minutes, but you can keep grabbing them back by telling narratives or creating events rich in emotion.