Clarify your viewers - Know who your audience is and Make personas to pin down their agony factors. Don’t attempt to target Everybody!???? ??????? ????? ?????????? ??? ??????? ???????????, ???? ????????? ???????? ??? “???????” ??? ??????????? ??? ??? ??? ???? ????????? ??? ??????????? ??? ??????, ?????? ??? ????? ??? ???? ???? ???? ???? ??? ?