Consider the forecasting approaches identified in the spreadsheets supplied in this segment. These approaches include naive, moving average, exponential smoothing, polynomial smoothing, and regression. They are all good approaches in the right circumstances. Consider however, that a large company may have thousands of products that require forecasting in order to plan them effectively. Also consider the steps that you took to evaluate the different forecasting approaches in each spreadsheet -- this can be daunting. Now, consider the automated approach that is available in SAP. How should this change the way companies approach forecasting? Considering the human factors, what obstacles do you expect to encounter, and how would you address these?