?? ????????? ????? ??????? ??? ????????? ???? ?? ???? ????????. ????????? ??? ?? ?????? ????? ????, ???????????? ????? ??? ??????????? ?? ??????? ???????????? ??????? ?????? ???? ? ??????????.Net promoter rating (NPS): A measurement of buyer loyalty, which can help you understand how likely your customers are to carry on interacting with the model.