Ma Huateng, founder and CEO of internet giant Tencent, delivers a keynote speech at a forum of the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)