vlingo for iPhone

Vlingo for iPhone is a free application that allows you to search the web, use Google Maps, update your FaceBook and Twitter accounts, and dial phone numbers, all by speaking into the device.

vlingo for BlackBerry

Vlingo is a free application for BlackBerry smartphones that lets you search the web, compose an email or SMS, make a call, send a note to yourself, create a task or memo and more, all by using your voice. No tapping, no thumbs, just good old speaking. Results are returned almost instantaneously.