Evan Spiegel, Snapchat co-founder, discusses his entrepreneurial journey. He emphasizes the importance of passion, rapid prototyping, and iterative feedback. He highlights the significance of big ambitions and scaling quickly, contrasting this with a European focus on smaller, localized markets. Spiegel shares lessons learned from successes and failures, including the importance of a kind, smart, and creative team culture and the need to adapt quickly. He reflects on turning down a $3 billion offer from Mark Zuckerberg, emphasizing his belief in Snapchat's long-term vision. The interview also touches on the challenges of managing a company, family, and relationships, and the impact of AI on the future.