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.

I'm a purist: I start to wrinkle my nose when the Cold War ends.

Nobody accomplishes success by themselves.

A prediction, in a field where prediction is not possible, is no more than a prejudice.

People who bring transformative change have courage, know how to re-frame the problem and have a sense of urgency.

A radical and transformative thought goes nowhere without the willingness to challenge convention.

The Rule of 150 says that congregants of a rapidly expanding church, or the members of a social club, or anyone in a group activity banking on the epidemic spread of shared ideals needs to be particularly cognizant of the perils of the bigness. Crossing the 150 line is a small change that can make a big difference.