How to limit the information you share with apps via 'Log in with Facebook'

Ever sign into apps like Airbnb or Candy Crush via the blue "Log in with Facebook" button? It's an easy alternative to the tedium of creating an account by typing in a userID and password, and since you're likely already signed into Facebook's app, you'll have quick access to other apps in just a couple of taps.

The caveat for the convenience has always been agreeing to hand over a collection of your personal information to those apps when you log in through Facebook, such as your birthday and email address. In fact, you had to agree to share whatever the app asked for, or else you wouldn't be granted access. Read more...