Google PLA Impressions Outpace Text Ads http://bit.ly/19UmJ8j The share of product listing ad (PLA) impressions compared with standard text ads grew 60% from September through December 2012. Since then, impressions fell 2% in June and 13% in July, compared with
January 2013.
via Tumblr http://mhandy1.tumblr.com/post/59721106827