Remote book viewer - Google Books
In-car directions - GPS
Wireless faxing - wireless email
Speedy toll payment - systems such as go via
Self-serve concert tickets - online item purchasing
Remote video calling - possible on many mobile phones
Voice-controlled systems - numerous
Portable medical history - systems with entire medical history stored on a card carried on a person
Beach-side video link meetings - teleconferencing/video link
On-demand movies - Hulu.com, etc.
Learning from home - recorded lectures in university, etc.
Speedier supermarket checkout - not where I live, but I've seen systems where shoppers scan in each item they place into their trolley, just paying the total at the checkout with no need to scan again
Remote professional collaboration - teleconferencing/video link
Mini mobile phones - possible with Bluetooth devices
Remote friendships - video chat
Automated translation - various services
Remote light switch - possible, I can't name any specifics though!
Automated driver's license renewal - don't know!
Virtual assistant - numerous