?? ????? ??? ???????????? ??? ?????? ?? ??????????? ????? ????????? ???????? ????????? ??? ??? ???? ??????????? ??????? ???????? ?????????? ?????????? ????????????.?? ???????????? ???????? ??? ????? ??? ????????? ?? ?? ?????????? ?? ?????????? ???????? ??? ?? ??????? ??? ?? ??????? ??????????? ?? ?????? ?????????.Utilized by Fb to deliver a series