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@@ -173,7 +173,6 @@ When learning CS there are some useful sites you must know to get always informe
   * [Triumph of the Nerds ](https://www.youtube.com/playlist?list=PLn-Y3vvQbmHO5WUcBdIWqiUfNawhC1cn3) : Play-list
   * [Project Code Rush - The Beginnings of Netscape / Mozilla Documentary ](https://www.youtube.com/watch?v=a-49a_CjH0M)
   * [The Code: Story of Linux documentary ](https://www.youtube.com/watch?v=XMm0HsmOTFI)
-  * [Revolution OS Linux Documentary ](https://www.youtube.com/watch?v=fxjElWL8igo)
   * [Breaking the Code: Biography of Alan Turing ](https://www.youtube.com/watch?v=S23yie-779k)
   * [Mechanical Computer (All Parts) ](https://www.youtube.com/watch?v=s1i-dnAH9Y4) : a very good video from 1950s explaining how mechanical computers used to work without all the modern day electronics.
   * [Download: The True Story of the Internet ](https://www.youtube.com/playlist?list=PL_IlIlrxhtPMqW4b0-v8OgLvFZQes6SoZ) : Play-list of discovery channel documentary on browser wars , dot com bubble and more.