This document discusses entrepreneurship and developing mobile health (mHealth) apps. It emphasizes that the most important thing for a startup is having paying customers, not just a good idea or technology. Entrepreneurs are advised to first understand customer needs through market research and identifying a "beachhead" group to target. Examples are provided of segmenting the market for pregnancy apps and telehealth apps for mothers. The document outlines steps entrepreneurs can take to define their value proposition and minimum viable product based on solving a core customer problem. It promotes focusing first on the customer experience rather than the technology solution.