> A Google spokesman said: "We aim to get users the best
> answers as fast as possible" using techniques such as
> examining "related searches." He said the goal for the
> feature is to provide better results in a situation
> where, for instance, a person who searches for "Harry
> Potter," and then for "Amazon," actually wants "Harry
> Potter" results from Amazon.com Inc. He said that the
> technique saves Google users time and provides better
> answers, but affects only about 0.3% of the searches the
> company conducts.
That's not confirmation, that's a public relations response. Confirmation of limited duration would be actually running the experiment until the effect actually disappears.