Read more http://feedproxy.google.com/~r/ad-exchange-news/~3/u9YkYT2PUtg/
Google Adwords News - From Google's Official Company Blog
Facebook Exchange Certification Is Elusive for Some RTB Partners
A quick search on Facebook’s Preferred Marketing Developer directory reveals that the number of real-time bidding partners for the Facebook Exchange is 12, three fewer than were announced back in September. What gives? Contrary to appearances, the three missing companies — [x+1], Optimal, and Kenshoo – have not been kicked...