The Anatomy of Buzz/Rosen 73-78

74 Don’t listen only to your close network—it is likely to rehash what you already know. Diversify your connections.

The fact is that we can’t maintain links to an unlimited number of people.

75 Dunbar…150 seems to represent the maximum number of individuals with whom we can have a genuinely social relationship. (average between 500-1500 not to close)

Email messages send several of your acquaintances...Because we can manage just so many links, and because we prefer to form links with those similar to us, we will continue to cluster around people like us.

76 You never know how people in one market category are linked to people in other categories.

78 …if you market a conversation product, your customers are very likely to be talking about it—maybe even as you’re reading this paragraph.