It sounds like the receipts weren't necessarily "live", sometimes taking hours to appear, so I'm guessing they did it as live as possible and when they got back

It sounds like the receipts weren't necessarily "live", sometimes taking hours to appear, so I'm guessing they did it as live as possible and when they got backed up they would just revisit recorded video. Something tells me the expectations for throughput were also pretty overwhelming to the individuals who worked there.