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ed user group User-subjective approach User–network interface User-defined function Attentive user interface User activity monitoring Z User Group Journal of Organizational and End User Computing Console user interface User environment management Lead user First-time user experience Principles of user interface design Atari ST User Web User Persona (user experience) Concurrent user Windows USER Linux User and Developer Multi-user MIMO History of the graphical user interface Natural-language user interface Multi-user dungeon Vector-based graphical user interface MPEG user data End-user computing Questionnaire for User Interaction Satisfaction Browser user interface Referenc