Grid computing technology is relatively new, is a work in progress, and can be applied in many different ways. In this illustration, we show how a person or a company might use it to request that a complex computational problem be solved using the grid, or to get the combined computing resources of the grid to solve some other problem. First, the person or company sends a request to the grid with details of the problem that needs to be solved. This can be sent in a variety of ways, including over the Internet using a web form. The request can be sent to the grid using XML.