???? ? ??????? ?????????? ????? ??? ?????? ????????????? ?? ?? ????? ??? ?????????? ??? ???????????.Net promoter rating (NPS): A measurement of buyer loyalty, which will help you know how most likely your prospects are to carry on interacting using your model.???? ???? ??? ??? ????, ?? ??????????? ?????????? ????? ??????????? ???????? ?????? ??? ??