With the emergence of Google Instant former Yahoo employees recalled a project known test in a less popular browser in the direction AlltheWeb http://livesearch.alltheweb.com/ which was very similar to this new Google feature that presented yesterday.
In fact if you look as noticeable as you typed in a different delivery system settings as well as Google does now. But if you had this since 2005 because they did not submit the answer is resounding "Yahoo had little institutional appetite for products risk. Yahoo did not let us put it on yahoo.com "