Elon Musk (R), co-founder and chief executive of Tesla, and Jack Ma, co-chair of the UN High-Level Panel on Digital Cooperation, speak onstage during the the World Artificial Intelligence Conference (WAIC) in Shanghai. AFP
Elon Musk (R), co-founder and chief executive of Tesla, and Jack Ma, co-chair of the UN High-Level Panel on Digital Cooperation, speak onstage during the the World Artificial Intelligence Conference (Show more

12-hour work week could be the norm, Jack Ma predicts