For social media users with privacy concerns, sites like Facebook have a dark side. Your Facebook profile can reveal a lot of information about you, especially if you have lax privacy settings. That ...

You can find your friends' birthdays, if they're visible, on the Facebook desktop website or Facebook mobile app.

Even when on social media, you might not feel like being particularly sociable—even with family and friends who you're actually quite fond of. Maybe you don't want parents (or kids) snooping on your ...