Business • Wealth • Money on Instagram: "Marques Brownlee started making tech videos at just fifteen, sitting in his bedroom with a laptop and no audience. There was no studio, no camera crew, and no guarantees. Only curiosity, patience, and consistency pushing him to keep creating when almost no one was watching. He reviewed gadgets people ignored, uploading video after video with quiet discipline. Slowly, the numbers changed. Ten thousand subscribers became one hundred thousand, then millions.