What's the WinKey used for on the Windows keyboards?

• WinKey = Displays taskbar and Start Menu
• WinKey + E = Opens Explorer
• WinKey + F = Opens Find
• WinKey + R = Opens Run
• WinKey + D = Maximize/Minimize all windows
• WinKey + M = Minimize all windows
• WinKey + Pause = Opens System Resources
• WinKey + Tab = Flip between open application in the taskbar
• WinKey + CTRL + F = Finds a computer
• WinKey + Shift + M = Maximize all "WinKey + E" minimized windows
• WinKey + Break = Displays the System Properties sheet