For better or worse, if you create software that plays a key role in a tectonic shift in a massive industry (Napster) and later become president of one of the fastest growing and most impactful companies of the past decade(Facebook), then the things you do are inherently newsworthy.

But, to answer your question (for better or worse again), it seems to me that what he does primarily is start and invest in tech companies. And at least once, get married in a forest.