1) Certain privacy provider
Found on
https://www.crosswordclues.com/clue/windowshade
WindowShade was a control panel extension for the Mac OS that allowed a user to double-click a window`s title bar to `roll up` the window like a windowshade. When the window was `rolled up`, only the title bar of the window was visible; the part of the window that displayed the contents disappeared, allowing easier manipulation of the windows...
Found on
http://en.wikipedia.org/wiki/WindowShade
No exact match found.
