Apple has just released IOS5 (and iphone 4S). One of the key features is SIRI. A voice command center. This video gives you a hint of what to look for:
Siri is a merge of voice recognition and AI. Apple has a long history of thinking about this...
here's the Knowledge Navigator (1987): ) (For the latest re AI see IBM Watson (http://en.wikipedia.org/wiki/Watson_(computer)
and we must remember that Star Trek Computer ... voice... played by the Majel Barrett wife of the originator of Star Trek, Gene Roddenberry.
Make it yourself clip: