[svp]http://www.youtube.com/watch?v=Q5Uy30fK7A4[/svp]
If you are learning Chinese and you can’t tell the difference between his pronunciation and mine after watching this video, you have a problem with you Chinese pronunciation.

Mark Zuckerberg spent 6 years learning Chinese. This also shows you why Chinese pronunciation is hard.

Here’s Mark Zuckerberg’s video (video starts at 17 seconds after the intro):