Mental models and structured approaches for breaking decisions into verifiable components.
The best skill to learn next is not always the most popular, technical, or impressive. It is the skill that removes your current bottleneck, creates visible proof of competence, and increases the quality of your future options.
Every time you hear 'Netflix did X, so we should too,' you're watching someone build on sand. First-principles thinking strips decisions to verified truths — then reasons up.