On October 22, Facebook founder Mark Zuckerberg held a public Q&A session at Tsinghua University in Beijing. He discussed innovation, changing the world, and his favorite color, among other topics. What makes this Q&A session different is that he answered all of the questions completely in Chinese! Take a look:

Towards the beginning of the interview, Zuckerberg explained that one of his primary motivations for learning Chinese was his wife Priscilla, whose grandmother only speaks Chinese. 

To see the subtitles, you can click on the settings button at the bottom of the screen.

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It's pretty impressive, especially when you consider that he answered these questions on the fly!