As the 3GPP kickstarts the 6G standards process, operator group the Next Generation Mobile Networks Alliance (NGMN) has published a letter setting out its preferred goals and use cases for 6G, calling for a considered approach to the next evolution and a halt on unnecessary new hardware. This message is not new. The NGMN has been saying this for some time, but it cannot miss the opportunity to say it again: 6G standards must learn from the mistakes of 5G, such as including multiple architecture options, features that are never used, and use cases that have no market pull. The NGMN wants a clear commercial imperative from new technology, and a guarantee that it will draw demand from customers, where…