Google Instant Search was released a few minuets ago and was made live on Google.com for all the U.S. users.
Instant Search is a new search enhancement that shows results as you type. However, if you would like to turn it off and disable it, follow the instructions below.
Google just announced Instant Search, which is now live on Google.com for U.S users.
Google Instant is a new search enhancement that shows results as you type. This helps in getting better and faster results instantly as you type your search query.