Bob Goldin
![Bob Goldin](/assets/img/authors/unknown.jpg)
Bob Goldin
downside element industry service
There's not much of a downside to self-service in a quick-service industry where the service element is marginal.
factor growth hamburgers people sandwiches strong time
Hamburgers have been around for a long, long time and there's a wear-out factor there. There has been a very strong growth for sandwiches for a very long time. People want variety.