Much of the discussion around a new generation of mobile technology traditionally focusses on its increased throughput, and this seems no different for 5G. Everyone from Zoom video conference users to Unknown Battlegrounds players regularly experience that other key characteristic of digital communications systems, latency. Reducing latency is a key focus of the 5G standards, as low latency is seen as key to enabling new use cases such as mobile gaming and industrial automation. The battle to deliver on the goals is just beginning.