I noticed the football season prior to that concert that the concessions took forever due to internet issues with the card readers as well. The season following the concert, it was much improved. I heard that the concessions were on the same network as the rest of the stadium or something like that, so I bet they gave them their own separate network to connect to.During the Strait concert the sales on the field looked to be a real struggle.
People behind the beer table were hold their ipads/point of sales in the air to get connectivity for transactions to go thru.
I don't know if it was like that on the concourse or not.
I'm guessing it would be much improved, unless the mobile ones down on the field level struggle compared to the concourse stands.