???? ?????? ???? ??? ???? ????? ?? ??? ?????? ??????? ????? ?? ?????? ??????? ????????. ???? ????? ????? ?? ??????? ???: ??????? ??? ??????? ????????. ????? ???? ????? ????? ??????? ????? ???? ???? ??????? ???????? ???? ???? ????? ????? ?????? ?????? ??????? ???????? ??? ??? ????. Google assigns an ever-shifting value to each keyword according t