if we are now paying $X for $Y GB of data, why doesn't it roll over like Minutes or a persistent commodity.
This will usher in a 'pay what you use' scheme, not unlike long-distance phone bills back in the days of yore. (you transferred $Y GB this month, so you owe us $X dollars.)
This will usher in a 'pay what you use' scheme, not unlike long-distance phone bills back in the days of yore. (you transferred $Y GB this month, so you owe us $X dollars.)