Starting epidemics requires concentrating resources on a few key area. The Law of the Few says that Connectors, Mavens, and Salesman are responsible for starting word-of-mouth epidemics, which means that if you are interested in starting a word-of-mouth epidemic, your resources ought to be solely concentrated on these three groups. No one else matters.

The Tipping Point: How Little Things Can Make a Big Difference (ed. Little, Brown, 2006) - ISBN: 9780759574731