??? ?? ????????????? ?? ????????????? ??? ???????????, ?????? ????? ?? ????????????? ???? ???????? ???????????? ???, ?? ???? ??? ????????? ????, ?? ?????? ???? ?????? ??? ??? ????????? ????.?? ????????? ???????????? ?????????? ??? ??????? ?? ????????? ???????? ??? ?? ????????, ???? ????? ??? ?????????????????? ????.Knowing your viewers usually mean