Utilities, smart cities and airports hold the key to the future for WiMAX 2, as the technology's supporters strive to position it as a mobile broadband alternative for vertical industries and other niche markets. Backers also contend that high-profile operators may yet embrace WiMAX 2, prompting even wider adoption. Clearly the pressure is on WiMAX 2 to gain traction and prevent WiMAX from becoming a dead-end technology. Special Report