https://arstechnica.com/gadgets/2019/03/zuckerberg-facebook-will-shift-focus-to-private-networks-instead-of-open-ones/

On Wednesday, Facebook CEO Mark Zuckerberg published a more-than-3,000-word blog post that seems to declare a major shift in Facebook's strategy. In it, he says he believes that "a privacy-focused communications platform will become even more important than today's open platforms."

Zuckerberg explains that he wants Facebook to build a privacy-focused messaging and social networking platform, and describes his vision thusly: