What surprises the most that he is able to distinguish sounds that are effectively all same for most non-Chinese people.
Learning a new language, especially Mandarin, in adulthood is certainly an accomplishment for anyone, but Zuckerberg is not exactly the first person to do it.
Learning a new language, especially Mandarin, in adulthood is certainly an accomplishment for anyone, but Zuckerberg is not exactly the first person to do it.