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intent Apple User Group Connection Acorn User Lazy user model Z User Group Active users User interface modeling User–network interface User-Mode Driver Framework Unique user User-subjective approach Atari ST User Attentive user interface User-defined function Journal of Organizational and End User Computing User activity monitoring Principles of user interface design Console user interface User environment management Lead user Windows USER Web User Multi-user MIMO First-time user experience Linux User and Developer Persona (user experience) Concurrent user History of the graphical user interface Natural-language user interface End-user computing Multi-user dungeon Vector-based graphical user interface MPE