????? ??????? ?? ????????? ??? ???????? ??? ??? social media ??? ??????? ???????; ????? A/B take a look at ???? ?? ????????? ??? ???? ???????????? ??? ??????????? ??? ?? ????? ?? ???????? ???????? ??? ????? ? ??????? ???? ????????? ????????? digital promoting ????????? ?? ??????????? ????? ???? ?? ??????? ??? ???????? ??? ??’ ???? ????? ?