The best of Mark Zuckerberg's Facebook Q&A (including a question from Schwarzenegger)

Lots of people asked Mark Zuckerberg questions during his Facebook Q&A on Tuesday.

Among them was former California Governor Arnold Schwarzenegger: 

Noted physicist Stephen Hawking:

And Arianna Huffington, of The Huffington Post:

Below are some other topics Zuckerberg addressed.

Where social media will be in 10 years' time: 

Facebook's controversial real name policy:

Future plans for Facebook:

A prediction on Facebook's very existence:

On salary (Zuckerberg pays himself $1 a year):

You can read more of the Q&A here.

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