Google uses much less colors than Microsoft and Yahoo do. Yet somehow, Google comes out as the versatile one.
Google uses much more traditional colors than Microsoft and Yahoo do and rarely change in the style, yet it comes out as the innovative one.
Google has much less web page elements than either Microsoft or Yahoo, yet it has come to be known as the sophisticated one.
Openness is rich in Google in that they design all of their pages with no distinct boundaries at all on a plain white blank sheet stretching as wide as the browser window / computer screen. On the contrary, Microsoft and Yahoo believes in borders, boxes and restrictions.