Customer concentration is a product strategy problem before it ever becomes a finance problem. Here is how to diagnose roadmap capture and what the strongest product leaders do to prevent it.

Fake door tests validate feature demand with zero engineering. See how Buffer, Dropbox, and LinkedIn used this discovery method before building.

Features that stay almost done for weeks are not an engineering problem. Three PM practices close the gap between code-complete and shipped.

The product-sales relationship breaks down when both teams stop translating for each other. Three specific practices close the gap.

Most PM career plateaus trace to one of three patterns: taking scope instead of creating it, missing business fluency, or invisible work. Diagnose yours.

Strategic product cannibalization separates companies that grow through disruption from companies that get destroyed by it.