If you've been having random people add you on Facebook or want to protect your privacy, here's how to limit who can find you on Facebook step-by-step.

Facebook could have your phone number and email address—even if you never handed them over to the social network. Here's how to find out.

Tech News Don’t Use Facebook? Here’s How to Check if It Has Your Phone Number and Email, and Delete Them The app and its brethren harvest data about non-users through their friends' contact lists.

If you find a Facebook image through an image search such as Google Images, using this unique number in the image URL can help you find the profile associated with the image.

One of them suggested searching Facebook for the phone number, saying that if the texter had connected her phone number to Facebook, her profile would pop up.

Learn how to use Facebook effectively and identify unknown texters with this guide on maximizing your social media experience.

Facebook has made it more difficult to find, but here are the steps to find seller or buyer's Facebook profile on Marketplace.