In Intelligence, especially Counter Terrorism when we use HUMINT tools we call it 6 Degrees of Separation.
In Competitive Intelligence we can call it Social Network Analysis.
Insight is generated when one has an understanding of the following fields:
1. Cultural Anthropology
2. Ideology
3. Consumer Behavior
4. Philosophy
5. Psychology
6. Political Science
7. History
8. Comprehension Ability ie ability to read between the lines.