Overview: At the 2019 Consumer Electronics Show in Las Vegas, USA, top plaudits went to a wearable ultrasound sensor that provides users with mobile notifications of bladder fullness. Based on the personal experience of developer Atsushi Nakanishi, the device aims to help an estimated 500 million people worldwide who suffer from urinary incontinence. And this groundbreaking tool is already improving quality of life for both staff and patients in care and rehabilitation settings in Japan and overseas.