with Puerto Rico?country=Puerto Rico?country=Puerto Rico?country=Puerto Rico?country=Puerto Rico?country=Puerto Rico?country=Puerto Rico?country=Puerto Rico inventory typically offer pricing models of CPM, flat_rate, Revshare/ROAS, % of Media Spend on channels such as Mobile Display, Desktop Display, Native, Email. A majority of their inventory are in countries such as United States, Russia, India, Aruba, Canada