Reading QRs is very straight-forward on Windows Phone (is integrated on the OS and it's a two-tap access from anywhere in the system). As most WP-centric blogs

Reading QRs is very straight-forward on Windows Phone (is integrated on the OS and it's a two-tap access from anywhere in the system). As most WP-centric blogs link to apps through QRs that link you straight to the in-phone store, I use it quite a bit. But of course I wouldn't generally bother to use it on advertising.