If a picture is worth a thousand words,a video course worth 1.8 million words

Based on the old saying ā€œa picture is worth a thousand wordsā€ Dr. James McQuivey has made this number juggling:

A picture equals 1,000 words. Video shoots 30 frames per second. Therefore, every second of video is worth 30,000 words. Multiply 30k by 60 seconds ā€“ a common length for an explainer video ā€“ and you get 1.8 million words, which means 3,600 pages of text!

Here are some memory courses you can find online: