wow,really very interesting and talented movie.but i have no idea this movie story of Wizard of Oz.i am first time heard this movie matter to read your history theory.its fully new experience for me. i am agree with your anylysis point.cryptography is very interesting thing and future in the world that always improving doing financial system more foreverr.thanks to sharing for your brilliant history drawing and great point selecting theory of movie and book.specially your explantation skills very perpect.i am always attracted your showing everyday new tropic post.very well done and may god bless you for your great work.i am very lately comment your post.so,sorry for that..have a great day..my dear friend.. @ericvancewalton