???? ???? ????? ?????? ???? ?? advertising ????? ???? ?? ?? ???????? well-defined ?????. ??? ???????? ???? ?? factors ????? ???? goal , target, phrases useful ? ????? ????? ?????? ???. Application ?? tools ???? such as AdWords ? data helps ??? ?? ?? ????? conversion CTR ? ?????? ?????? ??? ???. utilizing ?? analysis user : defining ide… Read More