to qualify potential customers and convert them into users and paying customers. A good starting point for this is Dave McClure’s AARRR, an onomatopoeically titled “Pirate” model for startup metrics. The model tracks the following layers and key metrics: Acquisition: How do users locate you? (Growth metric) Activation: Do users have a great first experience? (Value metric) Retention: Do users come back? (Value metric) Revenue: How do you make money? (Value metric) Referral: Do users tell others? (Growth metric) The AARRR model is not easy to forget once you use it