We've gone from a single 2-megapixel camera incapable of video recording on the first iPhone to a triple-lens setup boasting a 48-megapixel primary camera accommodating up to 4K 120fps video recording ...

Access to a high-quality webcam isn't always guaranteed: While decent options are now built into most laptops, they're not all of an acceptable standard. Maybe you've got a monitor without a webcam ...