RT @Pinboard: Cost per click just keeps dropping, almost as if people were somehow not responding to these valuable offers. The mind boggles!

Cost per click just keeps dropping, almost as if people were somehow not responding to these valuable offers. The mind boggles!

— Pinboard (@Pinboard) July 18, 2014

via Twitter http://ift.tt/1dlP5JI July 17, 2014 at 07:31PM

Posted on July 17, 2014 .