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