Customer experience is the cornerstone of your product success. Customer Journey Map could help you to measure customer experience. Which parts of a customer journey are the most important? Where should you pay the most attention?
Every product manager knows, through training or experience, that their product has at least two groups of users. Noisy minority and quiet majority. First one is rather active. They want their opinion to be known. They will gladly give you feedback. They will leave product reviews. They will tell their friends or colleagues about their opinion of your product.