Lean Analytics: Use Data to Build a Better Startup Faster (Lean (O'Reilly))

You’ll look at compensation, API traffic, channel relationships, and competitors at this stage — whereas before, these were distractions.

Don’t sell what you can make; make what you can sell. And that means figuring out what people want to buy.

Business growth comes from improving one of these five “knobs”:

Open and click-through rates will vary significantly, but a well-run campaign should hit a 20–30% open rate and over 5% click-through.

Vanity metrics might make you feel good, but they don’t change how you act. Actionable metrics change your behavior by helping you pick a course of action.

Sixty-five percent of people who start down your purchase funnel will abandon their purchase before paying for it.

A key measurement of successful revenue growth is whether the customer lifetime value exceeds the customer acquisition cost.

There are three kinds of virality: Inherent virality is built into the product, and happens as a function of use. Artificial virality is forced, and often built into a reward system. Word-of-mouth virality is the conversations generated by satisfied users, independent of your product or service.

30% of registered users will use a web-based service at least once a month. For mobile applications, 30% of the people who download the app use it each month. 10% of registered users will use the service or mobile app every day.