I got free LTE tethering (on AT&T) once I switched from my grandfathered unlimited plan to the newer metered plans. Which is ironic, as tethering is the only c

I got free LTE tethering (on AT&T) once I switched from my grandfathered unlimited plan to the newer metered plans. Which is ironic, as tethering is the only context in which I would come anywhere close to using up my monthly bandwidth allocation.