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Mobilize, Don’t Miniaturize � The Carry Principle � Small Device � Specialized Multi-Purpose � Personal Device � Customized Device � Always On, Always Connected � Battery-Powered � Inconsistent Connectivity
Mobile User Characteristics
Mobile Interruptible and Easily Distracted
Available
Sociable Contextual Identifiable
Groups and Tribes � Voice and Texting � Extending Online Communities � Physical and Mobile Hybrids � Mobiles as Status
A Device Taxonomy
General-Purpose Devices
Targeted Devices: the Information Appliance
Ubiquitous Computing
Anatomy of the PCD � The Carry Principle � Input Mechanisms � Output Mechanisms � Technologies � Connection Characteristics � Standby Screen
Selecting Application Technologies � Input Modalities
� Buttons � Speech � Speech+Buttons � Visual+Buttons
� Interaction Responsiveness � Data Storage Locations
Selecting Application Technologies � Display Modality � Supplemental Technologies � Distribution Methods
� Cost of Deployment � Sales Channels
� Other Concerns � Platforms
Handling Device Proliferation � Targeted Design � Least Common Denominator � Automatic Translation � Class-based Design
Detailed Design Recommendations � Platform Providers � Standards Organizations � Carriers and Device Manufacturers � Third-Party Guidelines
Mobile User Interface Design Patterns � Mobilization � Universal Patterns � Corporate Patterns (Library)
Screen Design � List-based Layout � Table-based Layout � Location Selection � Returned Results � Menus � Tab Navigation � Breadcrumbs
Application Navigation � List Navigation � Game Navigation � Alphabetic Listings – Short � Alphabetic Listings – Long � Softkey and Button Management
Application Management � Application Download � Application State Management � Launch Process � Cookies
Graphic and Media Design � Composition for the Small Screen
� Learning from Portrait Miniatures � Distinguishing from User-generated Content � Style and Technique � Context of Use
� Video and Animation � Content � Production and Preprocessing � Post-production
� Sound � Content � Post-production
� Streaming versus Downloaded Content � Managing Media: Meta Data
Industry Players � Carriers (Operators)
� Carriers and DevicesWalled Gardens and Decks � Mobile Virtual Network Operators � Network Types
� Device Manufacturers � Technology and Platform Providers
� Browsers � Application Environments � Operating Systems � Hardware and Other Software
� Application and Content Developers � Content Distributors � Industry Associations � Government
Research and Design Process � Mobile Research Challenges
� Device Proliferation � Multimodal Applications � Field versus Laboratory Testing
� User Research � Design Phase Testing
� Card Sorting � Wizard of Oz Testing
� Application Usability Testing � Emulator Usability Testing � Laboratory Usability Testing � Field Usability Testing
� Market Acceptance (beta) Testing