Your Own Virtual Assistant: Siri for the iPhone
You need some help? Go ahead and ask Siri.
This app will search the answer to some basic questions and accomplish tasks for you. Using Nuance Communications voice technology, this app helps you, make restaurant reservations, find airline tickets, movie times, weather info and more!
Though it's not always perfect in its search results, it's a cool new way to see where voice recognition technology is headed.
Currently it's only available for the iPhone 3GS, but the company has plans to roll it out to other devices soon. For now, it's also only available in the US
Get it here: Siri Assistant iTunes link