Google today has announced the public availability of Goggles which can let you search the web using images, without having to speak or write anything. You can simply take a picture with the camera on your phone, Goggles will then analyze and process your image, and then it will return a relevant search results page from Google. Currently, Goggles identifies landmarks, books, logos, business cards, places, wine bottles and works of art. Support for things like food, plants, cars, animals and suggestions of move in a chess game will added in future releases.
Attached below is the official video which explains and shows Google Goggles in action:
Unfortunately, Goggles, as of today is only available for Android based devices. Hopefully, Google will make it available across other platforms like iPhone and Windows Mobile in the near future. You can try it today for free on your Android based phone by searching for it in Android Marketplace.
Here is a video which shows Goggles in action on Motorola Droid phone.