You can invite someone to Signal using the "Invite Friends" menu in the app, which will send a text message or email.

Using the Notes app on your iPhone as a messaging app is a surprisingly clever way to have a discreet conversation. You can use it to plan a surprise party for a loved one or disguise sensitive ...

On Sunday, Dorsey wrote on X that he had spent the weekend studying “bluetooth mesh networks,” which allow devices to communicate with one another without the need for Wi-Fi and other internet ...