Rostam Azizi has bought a controlling stake in one of Africa’s largest media empires. Future-proofing it will not be an easy job for the Tanzanian industrialist https://www.economist.com/middle-east-and-africa/2026/03/19/a-shake-up-at-africas-spikiest-media-group?taid=69bd8d7e9ac20600013048a4&utm_campaign=trueanthem&utm_medium=social&utm_source=voante