Facebook, like most social-media platforms, is free to use. Increasingly, though, users say even that is too high a price to pay for their privacy. The social network said Wednesday that it will offer encrypted messages as a central part of its business—a major shift for a public platform that has typically laid bare not just what users have chosen to post but also many things that they haven’t through the use of targeted advertisements.

Source: Wall Street Journal March 06, 2019 21:42 UTC