Podcasts started as an audio-only phenomenon. But now YouTube — the world’s biggest video platform — might be the biggest platform for podcasts. According to the Google-owned video giant, YouTube now has more than 1 billion monthly viewers for podcast content worldwide. In 2024, users watched more than 400 million hours of podcasts monthly on living-room devices, the company said. “This milestone underscores how YouTube has come to play an essential role in podcasting for creators and audiences,...