“Messenger is a much worse product than WeChat,” he said, referring to Facebook’s messaging app and Tencent’s ubiquitous app for chatting, social networking, making payments and other tasks.

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A health care robot on display during the IFlyTek conference on A.I., held in Beijing in November.

Credit
Giulia Marchi for The New York Times

“Amazon in China is substantially worse than Taobao, JD and Tmall,” he said, referring to three leading Chinese e-commerce sites. And, he said, “Apple Pay is much narrower and much harder to use than WeChat or Alipay.”

Mr. Lee sees other issues that augur against a big Facebook or Google renaissance in China. Multinational companies tend not to hire local managers to lead their China operations. “They’re not concerned about winning in the local market,” he said.

Also, young Chinese these days would rather work for national champions like Alibaba or Tencent. Pitted against Chinese start-ups and big companies, where the hours tend to be long and the work culture cutthroat, the leading lights of American tech would get “get eaten for lunch.” — Raymond Zhong

Trump administration silent on A.I.

Last year, the Chinese government unveiled a plan to become the world leader in artificial intelligence by 2030, vowing to create a domestic industry worth $150 billion. This manifesto read like a challenge to the United States, and in many ways it echoed policies laid down by the Obama administration in 2016.

But as China pushes ahead in this area, many experts are concerned that the Trump administration is not doing enough to keep the United States ahead in the future. Although the big United States internet giants are leading the A.I. race, these experts believe the country as a whole could fall behind if does not do more to nurture research inside universities and government labs. — Cade Metz

Waymo C.E.O. “really happy” with Uber settlement

John Krafcik, chief executive of the self-driving car company Waymo, took the stage at the New Work Summit on Monday night and spoke out for the first time since his company reached a settlement last week with Uber in a lawsuit over trade secrets that riveted Silicon Valley.

“We were really happy with the outcome that we engineered,” Mr. Krafcik said. “We spent a lot of time in that case talking about the hardware, but the extra benefit we got from that suit was the ability to understand and ensure that Uber wasn’t using any of our software.”

He called the software Waymo’s “secret sauce.”