I've built product strategy at Epic, Affirm, Apollo. Here's the whole playbook on one page. (You can steal my 16 years of trial and error just by reading this long post.) To start with, short is the whole point. Tesla's strategy for its first 10 years ran two sentences. Look at how it's revolutionized the car industry. That's because everybody in the company knew exactly what they were working toward. That's the bar here, and here's how you achieve it. 1) Strategy matters more now In the…