South China Morning Post
https://www.scmp.com/lifestyle/entertainment/article/3271363/hollywood-director-allows-audiences-under-hood-his-filmmaking-online-archives
Hollywood director opens archives to online users, showing a master at work
Director responsible for blockbusters including Ferrari, Heat, Blackhat and The Insider, Michael Mann lifts the lid on his filmmaking by putting his archives – video, audio and paper – online to see for a fee.