Owing to the fact that a large part of its userbase owns more than one Apple product, the company has been consistently adding continuity features to make the combined experience across its devices more seamless. Many features like Universal Control, Handoff, Sidecar, Continuity Markup, etc. have been added over the years.
One of the newest features in the continuity lineup in the Apple ecosystem is the Continuity Camera webcam. On the new iOS 16 and macOS Ventura, the continuity camera lets you use your iPhone as a webcam. Previously, you could only use the camera from your iPhone to scan