Reading a QR code these days couldn’t be easier. Open your Android camera app. Some third-party camera apps have built-in QR scanners, but not all, so you might as well use the native app.

Google Photos already lets you quickly share photos and albums via a link, but the company is working on another sharing ...

which involves the originating device detecting nearby Android devices, Chromebooks, and (in some cases) Windows PC. In many situations, there's no reason to use QR codes -- they could actually be ...