The document discusses how users interact across multiple screens and devices rather than being categorized by a single device. It argues for a content strategy that focuses on the user experience across all platforms rather than optimizing experiences for specific devices. The key recommendations are to map the customer journey across platforms, adapt experiences based on user needs rather than devices, and break down silos between digital channels to provide a consistent experience. Examples of companies doing this well include Apple, Audible, and Evernote by syncing content and providing continuous experiences across devices.