NotebookLM 推出 TikTok 风格视频短片
google 为 notebooklm 推出了视频概览功能，可将上传的文档转化为 60 秒竖版短片，目前付费用户可用。
google launched a new audio-visual output format in notebooklm that automatically generates 60-second vertical video summaries from user-uploaded documents. this update targets google ai ultra and pro subscribers first, mimicking the short-form video style popularized by tiktok to make information consumption faster and more engaging. the move signals a shift from text-based chat interfaces to multimedia repackaging as ai labs race to increase user retention. free users will gain access to the feature in the near future.