We told you in February of 2021 that the Apple logo on the back of your iPhone is actually a secret button. Well, now iPhone has another secret for you. It's been taking your photo without you even knowing it. Get our free mobile app If you're having flashbacks of all of the things you've been doing while looking at your phone....yes, it was probably taking your photo then. Well, sort of. While the embarrassment is sinking in, let me explain what's going on. According to Siouxland Proud, a TikTok user named Brie Thomason posted a video showing how it works. In the video, a woman (presumably Thomason) is using a digital camera to film a man using his iPhone. The camera has an infrared lens and is shooting the iPhone user looking at their home screen. The video shows the infrared camera flashes from the iPhone as the user looks at the screen. It appears that the iPhone snaps images every five to 10 seconds. Check it out below: