Clarify your audience - Know who your target market is and build personas to pin down their discomfort points. Don’t consider to target All people!??? ??????? ?????????? ????? ??? ?????? ??? ?????????? ??? ??????. ????? ? “?????????????” ???? ?????? ?? ???? ???????????? ?????.?? ????? ?????? ??? ?? ???????? ?????????? ???????. ????? ???? ????