You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

Apple's emphasis on privacy and security over the years is a feat worth applauding. You may have noticed a green light lit up next to the camera on your MacBook — this indicates that the FaceTime ...

You can enable the camera on Google Hangouts on a computer or mobile device, though there are system requirements for the ...