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"E-commerce platforms are seeking to unleash the consumption potential from fourth-tier cities and below this year, as the growth of online shopping in first－and second-tier cities is slowing down," said Cao Lei, director of China E-Commerce Research Center.

"Each of them knew that China had to open its door and learn the advanced science, technology and management experiences from the West."

"Digitalization is important when next-generation information technologies such as cloud computing, big data, artificial intelligence, and blockchain are developing rapidly in China," she said.

"Even though it looks relatively calm out here, the weather can change in an instant," Tampa Mayor Jane Castor said at a press briefing. "Remain vigilant."

"Cyber security is an ecological system and it needs both internal and external forces to maintain its health," Lan said. "Tencent has begun to strengthen internal supervision for its platforms like WeChat and QQ."