Add Bill Gates

2020/2020-02-15_gnuLinuxCourse/slides/intro_beforewebegin.md

-# Before We Begin ...
+# Or, the Beginning of One?
 
 * Learning GNU/Linux has never been easier!
   + An explosion of [resources for self-study][1]

2020/2020-02-15_gnuLinuxCourse/slides/list.json

 [
     { "filename" : "index.md" },
     { "filename" : "intro_first.md"},
+    { "filename" : "the-end.md"},
     { "filename" : "intro_beforewebegin.md"},
     { "filename" : "intro_aim.md"},
     { "filename" : "shell.md"},

2020/2020-02-15_gnuLinuxCourse/slides/the-end.md

+# The End of an Era?
+
+<iframe width="100%" height="800" src="https://www.youtube.com/embed/A-HIlNGczgU?start=127" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>