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