Well here goes my brainstorm...

• Calender - Alarm Functions
• Todo List - Geographical cues.
• Spreadsheet/ Calculator - equation solver / grapher
• viewer - pdf / ps / ebooks
• text editor
• email - pop3 / imap
• web browser - ssl
• photo viewer
• video capture - stills / fullmotion - streamed / saved - time stamped
• night vision
• gps / mapping
• sound recorder / playback - time stamped
• speech recognition / synthesis
• sound routing (multiplexor / mixers)
• phone - VoIP / GSM (Motorola cellular phones can be fully controlled from a PC serial port...)
• Instant Messaging (Maybe something like the MIT service)
• Augmented Reality
• Adhoc Networking - Ability to join any networks in range and dial via cellular or other in the absence of any.
• Bio feedback
• Body Sensing.
• Sense Enhancement (agc for microphones... )

-- MikePreston - 03 Apr 2002