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> unsure of how to interpret the circle of competence thing

Can you figure out what apple would be doing 10 years from now. If no then its out of your circle of competence.

Do you know what Coca Cola would be doing 10 years from now, if yes then it is in your circle of competence.

Very good summary of circle of competence. Obviously a bit more complicated than that in practice, but this is probably 80% of it.

Yes. What I'm saying is that conceptually I understand Buffett's implementation of the circle of competence, it's just that his circle seems immutable, and I believe for many people they develop insights into new areas/categories of investing, while he seems to have focused on a specific area for his entire lifetime.

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