A sticky growth engine is one where retaining customers are prioritised. One could accomplish them by offering great services, increasing the value of the product or service.
More features != better product
Adding more features is not by default a good change. -[?] Rework slip here
Reference
Ries, Eric. The Lean Startup: How Today’s Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses. 1st ed, Crown Business, 2011.
Highlights or timestamps
The sticky engine works by retaining existing customers who already generate a constant stream of revenue.
— ^e343fe from The Lean Startup