??? ??????? ??????, ???????? ????????? ???? ?? ??? ?????? ???? ?? ??????? ??????????? ??? ????? ???? ?? ??? ??? ?? ????????, ??? ?? ????? ?? ??????, ???? ?????? ?? ?????????,???? ????????? ??? ??? ????????? ????? ??? ?????? ?? ???????? ??? ?? ?????? ??? ??????????.Developing a firm social networking policy and rules for social media customer suppor