Camera and Location
Nearly every tablet and laptop available at the time of this writing has a webcam built in. I looked at each of the first 15 laptops listed on a popular retail web site today, and every single one included a webcam. My own laptop has one built into the lid, and my Surface tablet has two—a front-facing camera and a rear-facing camera. For the user whose computer does not have a built-in webcam, USB webcams are a fairly cheap investment, with some basic models available for less than US$20.
In previous versions of Windows, integrating cameras into your application did not always have a trivial solution. With Windows ...