Your iPhone has a powerful feature that can keep your secrets hidden from other people, and you'll never have to worry about sharing or showing someone something embarrassing or incriminating ever again. No matter who you are, you likely use your iPhone's Photos app a lot since anything you take a picture or video of using the stock Camera app — and many other camera apps — lands there. And the chances that you have an image or video you don't want anyone to ever see are high. It could be evidence to implicate you in cheating or lying, pictures of your feces to show your doctor, unedited or... more