Google Maps For Mobile Gains Voice Search | WebProNews
The feature is experimental, and for better or for worse, current tests will limit participation to American owners of the 8110, 8120, and 8130 BlackBerry Pearl models. If you're one, you only need to press "0" to center your map view and then hold "the left-side key . . . while you say the name or type of business you're looking for" to get some results, according to a post on the Google Mobile Blog.
You should cross your fingers, as well - some promises of improvements may not say much about the technology's current state - but the feature's likely to spread, and this is an important step forward for Google.