A lot of discourse and argument foment around people’s blind spots, and interaction often fails when we try to fight blind spots. Nobody wants to keep a blind spot — we either want to resolve it, or send it back beyond the purview of our consciousness. Understanding how blind spots work can help us navigate them when we encounter them.

Disregarding intention for a moment, let’s borrow the four levels of knowledge/proficiency/whatever-it’s-called:

1. We don’t know that we don’t know.
2. We know that we don’t know.
3. We don’t know that we know.
4. We know that we know.

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