Imagine not being able to live without your smartphone—a pretty standard scenario today, right? Suppose you have just acquired the latest model, but what if it is not a lucky number? Perhaps it seems ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Jan. 25, 2025: This story, originally published Jan.

Although there's a pretty good chance you already have a phone number on your smartphone, your primary number assigned by your carrier isn't your only option for calling and texting. There are ...