The keyword is used for the current search results appear in gray in the search box as you type. So if you type a "W", the most common term is the key word 'time'.Instant Google adds 'eather' gray after 'W' and begin to display search results based on "time" of the term. The results change as you continue typing. Google still shows alternative search terms below the search box as you type, allowing you to click on any of the terms relevant to your query and save on typing time. The whole concept is to accelerate immediately after the search process average. Customizing Search Results Google is immediately connected with personalized search results