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terface User–network interface User error Lazy user model User-subjective approach User intent Toolkits for user innovation Acorn User User Account Control User-Mode Driver Framework User interface modeling Journal of Organizational and End User Computing Apple User Group Connection User-defined function Attentive user interface Z User Group User activity monitoring Atari ST User Unique user Persona (user experience) User environment management Console user interface Principles of user interface design Multi-user dungeon Windows USER End-user computing History of the graphical user interface First-time user experience Multi-user MIMO Linux User and Developer Natural-language user interfa