The Anatomy of Buzz/Rosen 61-65

62 The homophily principle has two basis implications. The first is that people who are similar to each other tend to form clusters. The second implication is that the more similar your employees are to your customers, the easier the communication between them will be.

63 Common goals can also tie people to each other.

64 After one local network hub chose a method, she began to spread the word about the advantages of that method and consequently influenced the rest of her village.

The good news for companies is that if your product become the standard within a cluster, it makes it very difficult for competitors to uproot you from this position.

65 Any person can be reached through a limited number of steps.