Even on cold days, some customers will sit for chance to learn.
Customers sat at about half the tables, by themselves or in small groups.
Customers sit around the table picking up whatever they want to eat.
Eight other customers sat in three groups down the booths.
The few old customers that came sat huddled together, talking in low voices.
Customers sat in front of video cameras and watched themselves on monitors.
Where the customers sit ('front of house') is under a manager or a head waiter.
Other customers sit and watch in the waiting room, and some offer the woman the money she needs.
Whether customers sit at the counter or tables, service is almost instant.
"This process just took too long to do while the customer was sitting in the showroom," he said.