You never know who you'll encounter on social media, which carries potentially deadly consequences. A killer stalked a Facebook group for moms to exchange baby items and murdered one of its members. The FBI investigated the entire group (with Meta's cooperation), and only one group member was informed.

It can be fun to find out which Marvel character you are like or what your taste in music reveals about your personality. But online quizzes that provide answers to goofy questions are not always what they seem. Some are created to pry personal information from you. We'll explain the risks of taking online quizzes and suggest ways to stay safe.

Local, state and federal authorities send emergency alerts to smartphones in cases of severe weather, missing children, natural disasters, national security, public safety threats and more. By default, your phone is set to convey most of these alerts to you. You can, however, turn some of them off and on. Here's how to tweak your emergency alert settings.

Do you have a folder containing your birth certificate, marriage license, Social Security card and other crucial paperwork? Having those hard copies is an excellent way to keep records straight, but it also opens the door to damage, loss, theft or other issues. It's time to upgrade by digitizing important docs to keep them safe.

That space in your living room might be the perfect spot to add a high-resolution image of your home or favorite place on Earth. We've found a web tool that takes incredible satellite images of Earth that would be a great gift or even to place on your wall. We'll explain how to get one of these fabulous photos.

Windows and Mac come with tools to take screenshots of what you see on your screen but not what's off-screen. When scrolling through a website, you'll only capture what you see. But some browsers can take screenshots of an entire webpage. Here's how to take screenshots of a webpage with Firefox, Chrome, Edge and Safari.