Your business sells products. An understanding of the timing of new product introductions (NPIs), plans for sun-setting products, strategies of moving products from the innovation and growth mode into the maintenance mode, product profitability trends, demand patterns, and different product marketing strategies should all be central to your planning. When the S&OP process involves regular product portfolio reviews, it drives prioritization and resources for your entire organization. On the flip side, findings during the S&OP process can help influence some of your product lifecycle decisions.