The potential disruption of the podcast ad economy comes at an uncertain moment for an industry in the middle of a retool from a format that largely resembled radio to one that much more closely resembles television.The decline of linear TV has pushed audiences toward video podcasting on platforms like YouTube and now Netflix, which has replaced traditional television for many younger audiences, as I wrote about following my interview last week with SubwayTakes host Kareem Rahma. Algorithmic vid...