Instead, early startups should start with actionable top-line metrics to measure each step of the Journey. Start with two metrics: One user acquisition metric at the top of the funnel that measures how many new users are signing up and taking their first action. And then one user engagement metric further down the funnel that measures how often these new users engage with the product over time. Together, these two metrics define a product’s activation rate in how it graduates new users into becoming active users. From here you can add additional top-line metrics that are specific to your product and user journey.