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