Coffee shops, many experiencing a variety of problems. Whether it is a problem due to an employee, for example, they have to take the chamrai. Demand from customers, etc. Problems stemming from the problem management system for ordering any customer that comes before coming back, etc., or even the problems stemming from inadequate for your needs, for example, customer orders this product, but do not have that item in a warehouse or a sold-out, it cannot know at all or may require warehouse employees to count or monitor items all the time, etc. Members within a group it considers if there is a system to help support these issues, it will make the work more efficient.