with Viet Nam?country=Viet Nam?country=Viet Nam?country=Viet Nam?country=Viet Nam?country=Viet Nam?country=Viet Nam?country=Viet Nam inventory typically offer pricing models of CPM, CPA, flat_rate, % of Media Spend on channels such as Social, Email, Search, Desktop Display. A majority of their inventory are in countries such as India, United States, Canada, Viet Nam, Bangladesh