I heard from someone that some the sites in central Illinois that have seen essentially no movement (e.g. Bloomington, Springfield, C-U) are designated as "problem areas" by Sprint. Regardless of the accuracy of this claim, is there any reason that upgrades in these areas are taking so long? Obviously, I get that it is all about the backhaul and not Sprint's fault exactly, I just still fail to see why these areas are posing such a problem. And I get that places off highways and near existing fiber are easier to upgrade, but why is the backhaul upgrade so hard for Bloomington, but other metro areas have seen plenty of upgrades in the time it has taken for Bloomington to see exactly zero LTE active sites? Makes zero sense to me.