This phenomenon exists thanks to a progression of carrier technologies that have emerged over thousands of years: written records, the printing press, sound amplification and recording, radio, television, film, the internet, email, and social media.
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这种现象的存在得益于数千年来出现的一系列载体技术：书面记录、印刷机、扩声和录音、广播、电视、电影、互联网、电子邮件和社交媒体。
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