When it comes to growth, I bucket businesses into one of three models: virality, paid, or headcount

Michael Moritz has shared many insights in his interviews and writings, but my favorite is his list of rules for venture investing.

Your metrics are more expensive than you realize. Your team spends time analyzing them. When they move unexpectedly, the team spends time understanding why. If you had to simplify your company’s operational model to a few variables, or even two variables, what would they be?