Yeah, accurate positioning is the inevitable end result of massive-MIMO. You need to know where the handset is to point the antenna beam towards it. And it

Yeah, accurate positioning is the inevitable end result of massive-MIMO. You need to know where the handset is to point the antenna beam towards it. And it needs to update fast enough that it can be in a vehicle on the highway or a high speed train and still maintain connectivity. The need to have more users on the same spevtrum requires sharper antenna beamwidths and smaller cells. All of which either require more precise positioning or make it possible. All of this is linked with the technology used. Sadly I only see legistlation limiting what can be collected and used being a counter for this getting exploited.