The document discusses how mobile devices have become ubiquitous, with over 95% of Americans owning a mobile phone and smartphones projected to make up 40% of mobile phones by 2014. It outlines how the iPad influenced user experience (UX) design through its ease of use, metaphorical interface, discoverability features, and emphasis on entertainment over task completion. It argues that the "mobile vs. desktop war is over" and responsive design is key to providing consistent experiences across devices. The document also discusses how contextual awareness and gamification can enhance UX by making experiences more relevant, engaging and less like "homework" for users.