# Produit > [en] This was surprising because it seems so clearly against our own interest. In almost every case, companies fail because they build the wrong thing. ==Unless your customers are themselves engineers, I’m the wrong person to help with that.== You want someone comfortable at the periphery of your system, who wants to learn about the competitive landscape, who wants to talk to customers. You want a product engineer. > > *[trapped in the technologist factory](https://ideolalia.com/essays/trapped-in-the-technologist-factory.html)* ([cache](/david/cache/2021/0d69b48e03e8a6b26605dfda4a6f32dd/)) C’est un long cheminement personnel pour arriver à cette conclusion. Le mien a duré de très longues années et d’une certaine manière je continue de l’arpenter. Se rappeler quotidiennement que le produit que je développe n’est pas égoïstement pour moi — ou ma propre acquisition de connaissances — mais au service d’autres personnes. Cette démarche requiert un certain niveau de prise de conscience puis d’empathie pour espérer faire un produit utilisable et utilisé. Et pendant ce temps là : > [en] I choose requests from this list ==based on my current mood== and what I would like to implement next. There is no secret sauce behind it. It’s all about building what people want. > > *[The story of a unicorn solo founder making $500,000 ARR](https://www.lunadio.com/blog/the-story-of-a-unicorn-solo-founder-making-dollar500000-arr/)* ([cache](/david/cache/2021/7a14f3cf8b05889a910c575726915486/))