Without an easy interface for clicking through to purchase, audio and video ads have, until recently, been best suited to upper-funnel brand-awareness campaigns rather than direct response. But now, ...

A startup called Lisnr wants to replace NFC and QR codes with a new technology that sends data over audio — a communication protocol it’s calling Smart Tone. The technology it’s invented can be used ...

A new startup called SonicNotify has developed a technology that will enable smartphone apps to receive data via high frequency sound inaudible to the human ear. Though limited, the signals would be ...

Video QR codes sound simple: scan, watch, done. But anyone who’s tried to put one on a poster, a menu, or a product box ...