Signal jabs at Facebook and navigates growing pains as popularity surges

There’s an emerging competitor for Big Tech. The encrypted messaging company Signal has long been popular with small groups that are fans of the app’s privacy and security. But after WhatsApp’s updated privacy policy, the site has become overwhelmed and are now at a crucial stage of growth and direction. Ryan Gallagher analyses whether a nonprofit with an anarchist founder could be the newest threat to the corporate tech world.