Facebook almost certainly has your phone number and email address, even if you never handed them over. That's because any friend who shared their address book with Facebook also shared your details.

NameDrop is a neat little feature that allows one iPhone user to share their contact information, photos, or videos by simply tapping their phone to someone else's iPhone. I've shown how this works ...

In iOS 17, there's a new AirDrop feature that lets you exchange contact information with someone by touching two iPhones together. It's called NameDrop, and here's how it actually works. Rather than ...