Editorial Note: Talk Android may contain affiliate links on some articles. If you make a purchase through these links, we will earn a commission at no extra cost to you. Learn more. QR codes are ...

QR codes — or "Quick Response" codes — are square-shaped barcodes that can be scanned by mobile devices. They are used for a variety of applications, from pulling up a restaurant menu to directing ...

Learning how to code will allow you to do everything from build complex apps to make your smart lights flash when you receive an email. Here's our guide on how to get started. When you purchase ...