updated 12:35 am EST, Tue November 18, 2008
Google Mobile voice search
Google has added voice search to its Google Mobile App for iPhone, and has integrated the accelerometers and sensors into the feature's operations. The company's blog says that Google Mobile, when raised to the user's ear, will issue a beep, signifying when they should speak the term for which they wish to search. Product manager for Google Mobile Gummi Hafsteinsson states that it speak with the iPhone's location services in order to obtain locally relevant search results.
Google Mobile App for iPhone is available as a free download from the iTunes App Store.