How to maximize your privacy using Signal calls and chat

When I first started using Signal, I would connect with friends using our phone numbers. Now, I use Signal to find people to interview for stories, which is why some of my social media posts and articles include a note telling folks how they can reach me on the app.

Needless to say, I'd rather not plaster my phone number all over the internet. So it's a relief that Signal lets you create a username in order to keep your phone number private. Other people can find you on the app using that username...