Pitching, poaching, reinventing the model, Mi3’s most read media and agency stories show the symbiotic relationship – and rival factions – in unadulterated form. Following Mi3’s top marketing stories of 2021, here’s the content and themes around agencies and media owners that grabbed industry's attention over the last 12 months. News Corp’s Michael Miller and Pippa Leary, Snap’s Danny Bass, Pedestrian’s Matt Rowley and Nine’s Hugh Marks on the publisher side, with GroupM’s Christian Juhl and Aimee Buchanan, S4’s Sir Martin Sorrell, Huge’s Mat Baxter and Mediabrands' Mark Coad among the agency bosses making the big news.