Once upon a time a new medium emerged that captured the attention of audiences. The inventor had great dreams for the medium: It would become a powerful tool for teaching and learning, making illiteracy a thing of the past. Instead of waiting for others to describe events, and put their own

中文翻译：

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广告和营销中的问责制危机

曾几何时，出现了一种新的媒体，吸引了观众的注意。发明人对媒体有一个伟大的梦想：它将成为一种强大的教学工具，使文盲成为过去。而不是等待别人描述事件，并把自己的