I have seen the changes in Bar codes in recent days. The coupons in the supermarkets are seen with new markings on them with a sets of black stars staked in two rows. These new symbols are called GS1 Data Bars which can store more data than the normal or traditional bar code. These bar codes will help in monitor inventory in stores and help customers to save money. The use of symbols in the coupons offers a combine deal on multiple products. The single coupon could offer discounts on three different items.
The major use of new symbols is helping to streamline operations for a speed bump in checkout process. For past few years many supermarket chains have switched to scanned, miniaturized Data bar labels. Instead of entering pin numbers in looking for a price, cashiers can now scan the data bars. This process his quicker and more accurate. It also prevents cashier mistaking organic vegetables for less expensive.
In the future Bar codes will be read from cell phones rather using from strips of paper. The mobile marketing company tells that people can take a image of a coupon code directly and hold out for scanning by a cashier. The couple code will be small enough to get into the display of cell phones. Later the same company take responsibility in erasing the coupons from the cell phone after they have scanned at the supermarket, thus reducing coupon fraud.
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