Has he? If he just programmed Facebook to spam on everybody's feed "Mark Zuckerberg is awesome!!!" I doubt he would have obtained the intended effect.
Have you heard of tsu.co? I hadn't either.
Point being that you don't need to write the content, if you can control which content gets shown.
Sure, but that's a negative action, he can't overtly use Facebook for positive self-promotion.
Mark Zuckerberg annouced that he is going to give away 99% of his facebook wealth ($45 billion) over his lifetime.
He announced guiding questions:
It's interesting that "live much longer and healthier lives" is on the list. Larry Page seems to divert money inside Google into Calico for anti-aging tech. Under Cook Apple also invests into health.
The future seems looking good :)