1 Introduction: Mobility is Different
The Carry Principle
A Personal communications devices, or PCDs is
a. Personal. The device generally belongs to only one person, is personally identifiable.
b. Communicative. The device can send and receive messages of various forms & connect with the network in various ways.
c. Handheld. The device is portable.
d. Wakable. The device can be awakened quickly by the user or the network.
2 Mobile Users in the Wild
Mobile User Characteristics
b. Interruptible & Easily Distracted
Groups and Tribes
a. Voice & Texting
b. Extending Online Communities
c. Physical & Mobile Hybrids
d. Mobiles as Status
3 Mobile Devices
3.2 Anatomy of the PCD
a. Focus Control
c. Text & Character Entry
d. Environmental Data
e. Other Computers
c. Application Platforms
d. Media Players
4 Selecting Application Technologies
The responsiveness demanded by your users and application should match what the platform can provide. The fastest response is found in well-designed compiled applications with memory management being run directly on the processor rather than in a virtual environment.