Это интересно. Вы мне не подскажете, где я могу найти больше информации по этому вопросу?
 https://enriquehoyos.com/blog/marketing/facebook-ads-customer-acquisition-targeting/ is tightly associated with market risk, but this risk significantly more serious, must be taken into account that  its use  is caused  not only by the decline  in business, but and the collapse of the most important schemes:  in the field of trade.