Make clear your viewers - Know who your audience is and build personas to pin down their agony details. Don’t try to target Every person!????? ??? ????? ?? ?????????, ???? ?????? ???????? ????????? ???????, ?????????? ??? ??????? ??????????.???? ?????? ?? ????????? ?? ????????? ??? ???????? ?????? ????????.?? ??? ???? ??? ???? ?? ????????? ??????