Ever since Meta introduced a QR code-based feature to share Instagram profiles, users no longer had to spell out their account name to a new friend or type it out. The simple ‘Share Profile’ button ...

QR codes are everywhere these days-on product packaging, restaurant menus, even tickets and invoices. They make life easier by letting you access links, download files, or make payments with just a ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Data from QR codes is used by NSW Health to help identify precise times that COVID-19 cases have been ...