????? ???? ??????? ?? ???? ???? ????? ?????? ?? ???? ???????? ??????? ????? ?????? ? ?????? ??? ?????? ??? ? ????? ??? ? ??? ??????? ?????? ????? ??? ???? ? ??????? ???? ???? ????? ????? ??????.??????? ??? ???? ?????? ?? ????? ???? ????? ???? ????? ?????????? ???? ???????? ?????? ???? ??????? ???? ???? ?? ?????? ?? ?? ???? ????? ? ????? ?? ???? ??

??????? ???? ?? ????? ??? ?????: ??? ????? ?? ?? ????? ?????? ??? ????? ? ??? ???? ???? ????? ???? ? ?? ?? ????? ??? ???? ??????? ? ?????? ?? ?????.??? ??? ??? ???? ?????? ???? ???? ?? ??? ?? ??? ?????? ???? ???? ?????.???? ?? ????? ??? ???? ?? ???? ?? ?? ?? ??? ????? ???? ???? ????.??? ????? ??? ???? ??? ? ????? ???? ?????? ???? ????? ? ???? ?????

?? ??? ????? ????? ???????? ? ?????? ????? ??? ?? ??????? ??? ? ??????? ?? ??? ??? ? ???? ????? ???? ?? ?? ?????? ???? ????? ????? ??.    ???????? ????? ?? ??? ?? ??? ?? ??????? ?? ?? ????? ???? ? ??????? ?? ??????? ???????? ???? ??? ???? ? ????? ???? ??? ?? ???? ????? ???? ??? ???? ?????? ???? ????? ? ??????? ??????? ???????? ??? ??? ?? ????? ??

????? ??????? ???? ?????? ?? ?? ?????? ????? ????? ?????? ?? ????? ????? ?????? ??? ????? ?? ????????? ?? ????? ?????? ?????? ????? ??? ???? ???? ????? ?????????? ????? ????? ???.??????? ?? ???? ???? ??? ??????? ????? ?? ???? ????? ????? ??? ?????? ????? ? ????? ?? ????? ? ????? ?? ???? ??????? ??? ?? ?????? ????:???? ??????????? ???????? ???? ???

?? ????? ???? ???????? ???? ??? ???? ??????? ???? ?? ??? ?????? ???? ?????.Lastly, usability underpins the person expertise. Very simply, if an item isn’t usable, no volume of superior seems can salvage it, and the sole emotion users are likely to have is anger and frustration.When you’ve performed user research prior to as portion within your