
Question regarding video sales page technique

I've seen a number of video sales pages using a concept that I find particularly interesting and effective, but I am unsure about the software they used to create it. The concept I'm referencing is when the subject in the video is drawing scenes on the white board to illustrate whatever it is that the narrator is talking about. I am not sure if this technique has a technical name, but I am most interested in learning what software or programs one would use to create such a presentation?
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