The fourth World Intelligence Congress kicks off in Tianjin on June 23. [Photo/Xinhua]

Yang Yuanqing, the chairman and CEO of Lenovo, makes a speech at the World Intelligence Congress, on June 23 in Tianjin. [Photo/Xinhua]

Ren Xinyu, the COO of Tencent, makes a speech at the World Intelligence Congress, on June 23 in Tianjin. [Photo/Xinhua]

Zhou Hongyi, the chairman and CEO of Qihoo 360, makes a speech at the World Intelligence Congress, on June 23 in Tianjin. [Photo/Xinhua]

The fourth World Intelligence Congress kicks off in Tianjin on June 23. [Photo/Xinhua]

The fourth World Intelligence Congress kicks off in Tianjin on June 23. [Photo/Xinhua]

The fourth World Intelligence Congress kicks off in Tianjin on June 23. [Photo/Xinhua]

People watch a live broadcast of the World Intelligence Congress on a mobile phone. [Photo/Xinhua]