Shake: shake window, minimize all others. Peek: all windows transparent, desktop & gadgets accessible. Show Desktop: minimize all windows, except side bars & gadgets. PeekTop: window semi-transparent, to read underneath. PeekTopX: hide window(s) and Taskbar button (Enabled by administrator). PeekX: all others Peeked, active window quick desktop access. Taskbar Peek: hover over program button, all others Peeked, for quick live look at window.