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ent Apple User Group Connection User activity monitoring User-subjective approach User-Mode Driver Framework Atari ST User User-defined function Attentive user interface Journal of Organizational and End User Computing Multi-user MIMO User–network interface User environment management Principles of user interface design Lead user Persona (user experience) Concurrent user Windows USER Console user interface Natural-language user interface First-time user experience Web User Linux User and Developer History of the graphical user interface End-user computing Multi-user dungeon Browser user interface MPEG user data Reference and User Services Quarterly Average rev