Computer software for tracking stock keeping unit (SKU) for retail products and other stock keeping unit (SKU) in order for end consumers to track their respective inventory of products and allow the retrieval of related coupons which are offered to consumers to replenish depleted, upgraded or new products of the same or competitive brands; computer application software for mobile devices for scanning stock keeping unit (SKU) and update related software

Electronically-generated consumer coupons comprising a scannable image displayable on a hand-held portable device