Here is an interesting article about the losses that advertisers might sustain as a result of the way that Chrome handles pop ups:
Concerns for Advertisers about Chrome
<a href=”http://www.informationweek.com/news/internet/google/showArticle.jhtml?articleID=210300377″>http://www.informationweek.com/news/internet/google/showArticle.jhtml?articleID=210300377</a>