Customer development is an important process in any product development with which a business uses customer feedback to define and develop its product. The four core phases of Customer Development (Four Steps to Epiphany) are as given:

► Customer Discovery

In this phase, a business evaluates how it can address the customer needs or problems. The business knows about the target customer. The business gathers customer feedback about their requirements.

► Customer Validation

This is a phase when the customers understand the idea of the product and validates the product by realizing that the product will be able to solve their problems. In this phase, a business knows about the problem and the solution.

► Customer Creation

The business then evaluates customer feedback, and plans a strategy for product launch and product positioning in the market based on the feedback.

► Company Building

It includes transforming ideas and concepts to execution and scaling the business venture.