Mashable: “…Over the past three years, Signal has also been investing in more infrastructure and features to support its users. That’s a good thing: Signal first saw an increase in users in the spring as people participating in anti-racist protests around the killing of George Floyd realized how closely law enforcement was surveilling them and asking companies to hand over user data. It’s only become more popular since then. As of this writing, Signal is at the top of the Apple App Store and Google Play Store, and its two-factor authentication onboarding system even got briefly delayed Thursday because so many people were trying to sign up. So, thinking about joining Signal? Bottom line: If you care about privacy, it’s a good idea. Here’s what you need to know…”