Lee Saedol, once the world's top Go player, experienced a turning point in 2016 when he was defeated by AlphaGo, an AI program developed by Google's DeepMind. This unexpected loss highlighted the significant advancements in AI, showcasing its ability to master complex tasks previously considered exclusive to human expertise.

AlphaGo's victory over Lee, an 18-time world champion, demonstrated AI's potential to achieve superhuman proficiency in skills such as Go, a game known for its complexity and strategic depth. The match, which garnered global attention, revealed the profound impact AI could have on various fields beyond board games.

Following his defeat, Lee Saedol retired, acknowledging that AI had fundamentally changed the nature of Go. Now, at 41, he urges others to familiarise themselves with AI technology to avoid being unprepared for its widespread implications. He lectures about AI, emphasising its growing influence and the need for society to adapt.

Despite his initial shock, Lee remains engaged with the Go community, writing books and founding a Go academy for children. He frequently discusses AI's future impact on his family, particularly its influence on job markets and everyday life, underscoring the importance of choosing careers resilient to AI advancements.