Clarify your viewers - Know who your target audience is and Make personas to pin down their agony details. Don’t attempt to focus on Everybody!????? ???????? ???? ????????? ?? ?????? ??????????? ????????? ??? ???? ??????????? ???… ???????? ??????? ?? ???? ?????????? ??? ???? ??????????????, ???? ?? ??? ????????? ?? ????? ??????? ??? ????????? ?