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 2006 James Park had what he describes as a 'lightning bolt' moment when he first used a Nintendo Wii. Fascinated by its motion-tracking controller James wondered if you could take the technology out of the living room and into the streets. Three years later he and co-founder Eric Friedman launched the Fitbit Tracker which allowed users to track their steps and compare progress with others. Sales took off and Fitbit dominated the wearables market until the Apple Watch came along forcing 

Fitbit: James Park

How I built this