??? ???? ?? ?? ?? ???? ?? ??? ??? ? ????. ?? ??? ???? ?? ? ????.Other search engines like yahoo affiliate your advert-click behavior using a profile on you, which may be applied afterwards to focus on ads to you on that search engine or all-around the web.??? ?? ???? ??? ?? ???? ??? ???? ???. ????? ???? ????, ?? ???? ?? ??? ???? ??? ???? ???. ??, ?