Google Voice Search offers natural user input

Google Voice Search for the desktop

(Credit: Google) The new feature from Google, which lets desktop users search by voice the way that mobile users already can, is a step closer to true natural user interface.
The feature isn’t much different from the service that Google offers to smartphone users with its mobile app. Instead of tapping a microphone icon on a phone’s screen, users click on a microphone icon in the search box at www.google.com while they are using Google’s Chrome browser. Of course, the user’s computer has to have a built-in microphone, or the user needs a headset, in order for the service to work.
Read more : CNET