Why do apps ask for access to my personal contacts?

Episode 1274 (48:24)

Rick from North Carolina

Rick wants to know why apps have to have access to all his contact information and other data? Leo says that both Apple and Android developers to ask permission to access stuff. So it's all "chunked up," so that it doesn't ask dozens of questions for permission. Android has at least changed it to where it asks permission when it needs to. Not all at once. Asking for permission for access to contacts is problematic because it could be abused. But games sometimes ask for that, or Apple's Find Friends, so that they can use it so you can contact other people to join in.