Operators will not achieve a full return on their 5G investment if they keep designing their networks the same old way, with smartphones in mind. This was the warning from Ivo Rook, Sprint’s SVP of IoT business, speaking at the Total Telecom conference in London last week. He argued that, while operators are keen to point out that 5G networks are designed to support a wide variety of use cases and revenue streams, they are rarely optimizing them for these new opportunities. “If we think the world is going to change and networks are going to be at the center of that, we should be thinking about how we are building networks, but also why we are building networks,” he…