I read that, and is one of my sources. Funny enough, KaLeu put a link to Quora asking the same question, and one of the answers just copied and pasted the article you sent me.
Very Cool WW2 Interactive resource from HISTORY.COM
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Just found this today. Lots of great animations, videos and other resources about the Second World War.
http://www.history.com/shows/wwii-in-hd/interactives/inside-wwii-interactive





