Do you use a laptop or desktop computer at work? If so, you may need a webcam from time to time. But what if you do not have one? Or what if your built-in webcam is bad or broken? There are many ...
USB webcams have been readily available for most of the 21st Century. As such, an old webcam connects to a new computer in much the same way as a new webcam -- by connecting it to your USB port.