"Three elements convinced me to switch to this system: quick check-out process, the fact that customers never choose the wrong check-out counter and that we have more time to meet customers’ needs. We have 15 regular check-out counters and 9 in self-service. We have also installed a waiting time calculation …

"The installation of the single queue was the opportunity to go further in terms of customer relationship. Our customers often congratulate us for our reactivity because check-out process is actually quicker Our sales have been increased with items along the queue barrier thanks to impulse purchases."