The Mobile World Congress (MWC) experience tends to go in waves, as Wireless Watch has observed over two decades of attendance (starting with 3GSM in Cannes, France). There are the visionary MWCs, in which the hottest discussions and demonstrations are future-looking. These set out agendas and stir up hype for a coming technology, as in the shows preceding 5G deployment, when all the talk was of holographic interactions and remote surgery. There are shows that are dominated by a particular product launch or piece of news. Then come the shows that focus on practical challenges of implementation and monetisation. These are more sober and perhaps less fun, but address the real issues for operators and vendors. At MWC 2023, we…