a16z视频·2026年4月22日Marc Andreessen on how the internet changed news, politics, and outrage | The a16z Show5.0内容质量保存到知识库保存为笔记可直接观看的视频资源打开原视频TL;DR · AI 摘要核心要点AI 伴读Marc Andreessen on how the internet changed news, politics, and outrage | The a16z Showa16z1. 2. 3.