text:  Well, today, the UPC barcode that we've known for 50 years really contains one number called a global trade item number that signifies the product. But tomorrow, we anticipate barcodes are really going to migrate to QR codes. And QR codes can hold 3,000, 4,000 characters of data within them. And so all of a sudden, you have the opportunity to share with the shopper information around allergens.