ron15 - 6:09 pm on Apr 28, 2011 (gmt 0)
If this makes it to publisher sites, it may end up leading to increased income. It could lead to curious and prospective clickers evaluating the preview for a group of links, then clicking the most relevant. He may not have otherwise clicked on ads at all but now wants to see previews. Time will tell the story if it makes it to publisher sites.