To make Signal calling better overall, we’ve spent the last few months building some welcome improvements,” the company said in a blog post. Signal is rolling out the feature on its iOS ...

In addition, Signal's privacy policy also states that the app doesn't store any metadata about its users. Video calling is an existing feature for many messaging apps like Facebook Messenger ...

There's a little-known safety feature that bus drivers can activate in an emergency that the public needs to know about.