With their recurring on the net activity, end users have decidedly shown that they prefer mobile-pleasant sites for browsing and obtaining. ????? ?? ??? ??????? ???? ??????? ??? ?? ?????? ????? ???? ?? ??????? ???? ????? ???????.????? ?????????? ????? ??????? ???????? ?? ????????? ??????? ???????? ??? ??? ???? ?? ??????? ??? ?? ????? ????? ?? ????