The document discusses the case study of the iPhone. It outlines Apple's history and success in the mobile device industry. It then examines the iPhone's marketing strategies of focusing on touch screen usability, large high-resolution displays, and easy internet access. Technological affordances that contributed to the iPhone's popularity include the iOS operating system, iCloud storage, Touch ID fingerprint security, and mobile payment through Apple Pay. These innovations enhanced the customer experience by supporting business, communication, and entertainment needs on the go.