The Little Red Book was chairman mao's political writings. It was, infamously, carried by the youth who terrorized China during the cultural revolution. This was a major event in world history, China is still grappling with that today. https://en.wikipedia.org/wiki/Cultural_Revolution?wprov=sfla1
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https://en.wikipedia.org/wiki/Cultural_Revolution?wprov=sfla1
https://www.cnn.com/2025/01/14/tech/rednote-china-popularity-us-tiktok-ban-intl-hnk/index.html