Media is an institution, too, and one way to change the media narrative about tech is to build a brand new media. Over the past two years, Andreessen Horowitz has led substantial funding rounds for Substack, the e-mail publication platform, and Clubhouse, the audio-based social network. When customers sign up for Clubhouse, they’re given a list of really helpful accounts to follow, which tends to include several Andreessen Horowitz partners; Andreessen himself has five million followers on the app. The firm has about a dozen Clubhouse shows of its own, including “One on One with A and Z,” hosted by Andreessen and Horowitz, and “4B with Margit,” hosted by Wennmachers. Earlier this year, Zuckerberg and Musk each made appearances on “The Good Time Show,” a talk present on Clubhouse; one of its hosts, Sriram Krishnan, recently joined Andreessen Horowitz as a associate. Up to the minute news, features and critiques …