1/ I was in college during the last recession, and yet I was inspired to do a startup partially because @TechCrunch introduced me to cool products everyday.

Then @ProductHunt swooped in and took over as the place to discover new products. What I think happened, a thread:

1/ Risk exists when potential future states and their probabilities are known.

Uncertainty exists when future states are known, but their probabilities are not.

Ignorance exists when future states aren't known and therefore probability isn't computable.

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