Tr??c khi “b??c chân” vào n?n t?ng qu?ng cáo RTB, b?n c?n n?m rõ l?i th? c?ng nh? thách th?c s? g?p ph?i nh? sau:At any given moment, multiple advertisers can bid on a single impression of a publisher’s inventory, then the winning ad (with the highest bid) is shown to the user. Through RTB, advertisers can apply fine-tuned targeting and