Topics include: Designing usability into mobile applications (apps); Mobile users vs. traditional users; Point and click vs. gestures, swiping and flipping orientation; Designing simplicity and clear calls to action on mobile devices; Content simplicity vs. complexity: determining how much mobile content to present; Choosing between responsive website design (layout) and custom mobile websites; Maintaining good usability and functionality across mobile phones, tablets and computers; Guidelines for font size, content, alerts and registration; Usability research methods to understand users' workflows and tasks; Conducting longitudinal studies to assess how users adapt over time; Contextualizing 'situated' use to see actual usage scenarios in real-life contexts.