The "idea box" is a useful concept in management. It was first introduced in the early twentieth century by Kodak in the United States and Michelin in France. The managers of these companies used idea box to collect suggestions from employees about improving production. Today, the idea box is not used much in the united states or Europe. However it is used a lot in Japan.Japanese managers have found it to be a very valuable resource. Employees often know more than managers about the details of production. In the long run, their suggestions can make a real difference to the company. Employees who offer useful ideZ may receive extra maney in their paychecks