In this episode of Shaun of the Shed, host Shaun Preece discusses the use of QR codes, particularly beneficial to members of the blind and partially sighted community. He covers their creation, appearance, and information capacity. Shaun demonstrates how to use a smartphone to scan QR codes, expressing his struggles with built-in camera apps on both iPhone and Android devices. He then introduces the more user-friendly "code scanner'" on iPhone, detailing its seamless recognition and access to QR code information. And, Shaun shares his personal experience using the code scanner for a taxi payment, highlighting the importance of user-friendly tech for those who are blind or partially sighted.