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-subjective approach Journal of Organizational and End User Computing Acorn User User-Mode Driver Framework Z User Group User error User intent User-defined function Atari ST User Attentive user interface User activity monitoring Principles of user interface design User environment management Persona (user experience) Unique user Windows USER Console user interface Multi-user dungeon Linux User and Developer First-time user experience History of the graphical user interface Web User Multi-user MIMO Concurrent user Natural-language user interface Lead user Average revenue per user Reference and User Services Quarterly Browser user interface E