Freddy San

user experience design usability storyboard human computer interactions nest aesthetic dilemma google glass statistics decision data visualization abuse of numbers use of numbers usability criteria requirements what does it do user experience criteria similar devices device timepiece improvement watch booking booking online cen4722 software development user experience goals interaction design improvements usability goals samsung galaxy s6 atlas concepts electronic metaphors google maps paper-based pros & cons mental models credit cards contactless mobile payments sproutling focus standard task tasks field study black box system credibility practical heuristic evaluation heuristics redesigned prototype interaction processor cpu intructions architecture clock rate technology cpu application development programming language assemblers compiler interpreter source code models user intention user needs booking system online facility system responsibility use case task analysis conceptual conceptual models requirements prioritization engagement safe user research integration user research suggestions availability reliability controlled usability controlled study vs. field study problems plans benefits compare