Guy Raz interviews the world’s best-known entrepreneurs to learn how they built their iconic brands. In each episode, founders reveal deep, intimate moments of doubt and failure, and share insights on their eventual success. How I Built This is a master-class on innovation, creativity, leadership and how to navigate challenges of all kinds. 
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In 2009 Sal Khan walked away from a high-paying job to start a business that had no way of making money. His idea to launch a non-profit teaching platform was ignited five years earlier when he was helping his young cousins do math homework over the computer. They loved his clear explanations and soon he was posting free tutorials on Youtube where they started to attract the attention of thousands of users around the world. Sal realized he could help democratize learning by building a free pl

Khan Academy: Sal Khan

How I built this