Google has Introduced the new Voice Search feature
All you need is a built-in or attached microphone. Just click the mic in the search bar and start talking. currently this feature is only available in US English only but later on Goggle may include other languages too.
Google voice search feature is useful for:
Google voice search makes searching words you’re not sure how to spell much easier, quicker and easier.
Search long queries, even really, really long queries, just by talking.
Searches that are just more fun to search out loud
Now you can ask your computer anything.
Searching without typing
Use it in the kitchen, in the garage or anytime your hands might be full.
watch this video For further details and features