Cometa discusses using WiMax as back-haul for its hotspots: This is not a bandwagon, it's a whole parade. I've heard from many folks in the industry that to densely deploy hotspots, wireless back-haul is the only reasonable course of action to conserve costs and maximize availability. With WiMax, it's possible that hotspots could have several Mbps, not just 1.5 or 512 Kbps. [via TechDirt]