Who Are You Helping?

Welcome to the foundational step of building a successful product. Before a single line of code is written or a circuit is designed, every great product starts by answering one question: "Who is this for?" The most common mistake new founders make is trying to build a solution for everyone, which often results in building something for no one.

Think of this as the strategy phase of a major project. You wouldn't build a team without defining the mission first. In this chapter, we'll create a detailed profile of your target user, often called a "Customer Persona." This persona isn't just a thought exercise; it's a strategic tool that will guide every decision you make, ensuring you're building a product that a specific market genuinely needs.