atlrus - 1:47 pm on Oct 19, 2012 (gmt 0)
big brands got good rankings with help of panda and penguin, so they don't have to spend loads of money on adwords anymore.
blackpixel, I think you hit the nail on the head.
The more Amazon (and the likes) show atop the organic search results, less their ads will be clicked. I've always said that Google's creators have absolutely no business sense whatsoever.
We have already seen image advertising make its way into google, I wouldn't be surprised if logos/banner ads are introduced as an incentive to the top ad spots.