Advertising Effectiveness

As the last sands of 2011 dribble through that great hourglass of life, it's important to take stock and look back.

Advertising placed through ad networks and portals generated the smallest change for branding metrics, and in some cases made no difference for advertisers, according to findings of a study released August 13 by the Online Publishers Association, a trade organization for publishers such as ABCNews.com, CNN, CondeNet, Time Inc. and The Wall Street Journal.