User blog comment:John Breasly/Introducing: Round Search Box!/@comment-4960703-20110825195113/@comment-782162-20110825205342

Because IE Isnt built for the same purposes. IE Was built to not be extremely fast internet, but at the same time not take up as much computer processing speed. Firefox and Chrome WEre built differently, so with the new age of increased necessity for internet speed, Chrome and Firefox are winning a battle.