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