??? ???????? ????????????? ?????? ???? ????? ????????? ??????. ?????? ??? ?? ???????????? ????? ??? ???? ??????????? ??????? ?????.?? ???????? ????????? ??????? ?? backlink «??? ??????? ?? ?? ???? ?? ???????????» ????????This knowledge is then saved for the applications of (1) examining user behavior, and (two) fraud avoidance. The data gathered