The GUIDe (Gaze-enhanced User Interface Design) project in the HCI Group at Stanford University explores how gaze information can be effectively used as an augmented input in addition to keyboard and mouse. We present three practical applications of gaze as an augmented input for pointing and selection, application switching, and scrolling. Our gaze-based interaction techniques do not overload the visual channel and present a natural, universally-accessible and general purpose use of gaze information to facilitate interaction with everyday computing devices. Keywords Pointing and Selection, Eye Pointing, Application Switching, Automatic Scrolling, Scrolling, Eye Tracking. ACM Classification Keywords H5.2. User Interfaces: Input devices and strategies, H5.2. User Interfaces: Windowing Systems, H5.m. Information interfaces and presentation (e.g., HCI): Miscellaneous.