When I used the service, there were not many customers waiting for the treatment. However, when I did have more than one person waiting at the same time, it was impossible for me to keep track of them all, as the system only allowed you to see up to 5 people in one session. So, having multiple people waiting at once would cause some confusion. It's a good way to anonymize your data. You can't control how much you pay per person, but you will be able to tell after the first few minutes if the…