????????????? ?????? ?? ???????, ?????, ???????. ?????? ???? ??????????? ?????????. ??????? ??? ????????? ???? ????????? ???? ????? ??????. ..Utilized by Fb to deliver a series of ad goods like real time bidding from 3rd party advertisers.???????????? ????? ????? ????????? ?? ?????? ???????? ?????????? ??? ??????????? ?????.???????????? ????????