User User (computing) User interface User profile User identifier End user User innovation Power user User-centered design User-Agent header Graphical user interface 3D user interaction Linux user group User story User experience User-generated content User interface design Multi-user software User experience design Voice user interface Organic user interface User guide User research End-user development User agent Macintosh User Group Users' group Registered user User advocacy User review 10-foot user interface Tangible user interface Roaming user profile User-mode Linux User illusion Zooming user interface Single-user mode The Micro User Text-based user in…

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ser-defined function Acorn User User-Mode Driver Framework User interface modeling User intent Lazy user model Attentive user interface Z User Group User activity monitoring Persona (user experience) Atari ST User User environment management Unique user Windows USER Principles of user interface design Multi-user dungeon Console user interface History of the graphical user interface Multi-user MIMO First-time user experience Natural-language user interface Linux User and Developer Average revenue per user Lead user Concurrent user Web User Reference and User Services Quarterly User-Managed Access Questionnaire for User Interaction Satisfaction End-user computing List of graph