Mark Zuckerberg's privacy blogpost: what he did and didn't say

The Facebook founder talks about his firm's new focus, but what does it all mean?

My focus for the last couple of years has been understanding and addressing the biggest challenges facing Facebook. This means taking positions on important issues concerning the future of the internet. In this note, I'll outline our vision and principles around building a privacy-focused messaging and social networking platform.

There are two types of Mark Zuckerberg post, the short feature-packed ones and the long thinky ones. This is the latter, focused on "vision and principles".