Good product managers crisply define the target, the “what” (as opposed to the “how”), and manage the delivery of the “what.” Bad product managers fe… - Ben Horowitz

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Good product managers crisply define the target, the “what” (as opposed to the “how”), and manage the delivery of the “what.” Bad product managers feel best about themselves when they figure out “how.” Good product managers communicate crisply to engineering in writing as well as verbally. Good product managers don’t give direction informally. Good product managers gather information informally.