1) The document discusses Malcolm Gladwell's theory of tipping points, which are moments of critical mass when ideas or trends suddenly become popular.
2) There are three rules that create tipping points: the Law of the Few, which states that a small number of influential people drive changes; the Stickiness Factor, which is how memorable and difficult to forget an idea is; and the Power of Context, referring to human behavior in groups.
3) Examples of tipping points include sudden changes in neighborhoods, technology adoption like faxes and cell phones, and disease epidemics that spread exponentially until reaching a tipping point of immunity.