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"Every time I hear of a young person dying suddenly, or when I take a plane, and the plane jolts violently in the air, I feel a shock to my heart," he said. That prompted him to think about death.

"Fast-growing internet technologies not only accelerate development of new internet businesses but also result in many new problems, such as whether we can pay using digital currency and how to prevent privacy infringement while collecting personal information," he said.

"Factories will also be affected," said Oh Ei Sun, senior fellow at the think tank Singapore Institute of International Affairs.

"Doctors and nurses in Shanghai are also provided with positive pressure masks when they perform medical procedures on patients as this poses a threat of infection through aerosol transmission," he said.

"Decision-makers need to know when to launch viral marketing and when they can make real money out of their audience base," said Zhang, founder and CEO of data service company GrowingIO Corp Ltd, at an open forum held by Cheung Kong Graduate School of Business (CKGSB) on Saturday.