One important reason why voice assistants such as Siri are still not smart enough is that there is not enough data based on real chats between users. This has sparked doubts among certain people that WeChat, China’s most popular messaging app, is collecting and retaining user chat records in order to use it for AI data training, TechNode’s Chinese sister site has reported.

Li Shufu, chairman of Chinese automaker Geely, has recently made accusations against WeChat for invading user privacy. “Pony Ma is watching us through WeChat every day,” the tycoon says.

WeChat has swiftly denied the charge in a statement published today, insisting that the networking app does not “keep” user chat history, nor does it use chat history for big data analysis. The statement goes as follows:

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Masha Borak

Masha Borak is a technology reporter based in Beijing. Write to her at masha.borak [at] technode.com. Pitches with the word "disruptive" will be ignored. Read a good book - learn some more adjectives.