Mark Zuckerberg founded Facebook in 2004 while a student at Harvard University. Facebook rapidly gained popularity at Harvard and other colleges. Zuckerberg dropped out of Harvard to focus on Facebook full-time, and by age 23 had become the world's youngest self-made billionaire due to Facebook's success. Zuckerberg demonstrated entrepreneurial skills from a young age through his passion for programming and ability to transform ideas into opportunities, like creating Facebook to help students connect. He successfully tested and expanded Facebook while maintaining focus on his vision of connecting people worldwide through the platform.