With an understanding of what tacit knowledge exists, how it is distributed across the organization, how people influence each other, which ideas are considered important, and useful metrics-based insight on all of this, organizations are much more readily armed to transform its structure, processes, or culture.

FORBES: Value Creation is Inherent in Social Business

CouchSurfing connects people who have a spare sofa with travellers who wish to sleep on it, on the tacit understanding that the travellers will do the same for someone else in the network some day.

ECONOMIST: Schumpeter