?? ????? ?????? ????? ?????? ?? ????? ???? ?? ?????? ???? ????. ???????? EAT (Expertise, Authoritativeness, Trustworthiness) ???? ?? ????? ??? ?? ????????? ????? ???? ??????? ????? ?????? ?? ??????? ?????? ??????. ??? ???????? ?? ?? ??? ???? ????? ???? ?? ?? ??? ?? ????? ????? ???? ??? ???. EAT ???? ? ????? ??? ??????? ?. ???? (Expertise) ???? ?? ?