Read more http://feedproxy.google.com/~r/ad-exchange-news/~3/7xeZLJMRB4Q/
Google Adwords News - From Google's Official Company Blog
Introducing ‘vCPM’: The Right Way To Think About Viewability
Viewability is on the top of every digital marketer’s wish list for 2013. The emerging metric seeks to measure how frequently an ad is actually seen by a user, and not merely the number of times it’s served by a site’s ad server. It’s safe to say that all people...