A flag system is a computer system used to help employees find products. The system can be used for the following reasons 1)Restocking Shelves 2)Checking if an Item is in stock 3)Checking Security of Store (E.g. How many items have been shop lifted) Examples of Flag System in Companies 1) Canadian Tire 2) Electronic Boutique 3) Wal-Mart 4) Sears 5) The Bay 6) Home Depot 7) Lowes 8) Chapters 9) Toys R Us 10) Indigo History of the Flag System The flag system was created in 1974 by man name John G. Kim. The System was first used in companies like Canadian Tire and Walmart. The System has had many updates and advances each year.