A lot of times, business health and growth can be at odds with each other because you can trade health for more growth. Looking at the CAC/LTV ratio in combination with Revenue is healthy because it considers both. It also gives you a common reference across the whole business.

 The throughput funnel for a team is a function of:

• Velocity: how many feature experiences are you putting out per engineer per week? Example at Airbnb: 1 test/engineer per week.
• Success rate: for 100 experiments, how many are a statistically significant winner that you’re goin...