Owners of the MacBook and MacBook Air iMac Check out that tiny square lens above your screen. That’s a built-in FaceTime HD camera, which allows you to chat with others in a videoconferencing environment by using the Messages and FaceTime applications that come with High Sierra.
You can even take photos with the camera, using the Photo Booth software that comes with your laptop, or set up a travelin’ webcam. (If you need a higher- resolution camera — or one that can be easily turned or tilted .
Note that a green light appears next to the lens when the camera is on — handy information that could prevent visual embarrassment! As my Technical Editor points out, you can also cover the lens for guaranteed privacy.