Google Instant Search is a new feature in Google Search that shows results instantly as you type. This feature instantly gives you faster and better search results. The key benefits of Google Instant are Faster Searches, Smarter Predictions and Instant Results. See the below video to know how Google Instant.
Google Instant Predict your search and shows results before you finish typing. Smarter Predictions will help you for your search. The top prediction will be showed in gray text directly in the search box. So now you no need to type full search term and hit Search to get results, results appear instantly as you type. Google instant uses 15 new technologies to give you instant results.
Google Instant can save 2 to 5 seconds per search, that means If every one uses Google Instant globally, more than 3.5 billion seconds a day that is 11 hours saved every second.
Google Instant works when you are signed in to Google account. You can switch on and off this feature. Google instant will not slowdown your Internet connection and turn off automatically for slower connections.