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Product-dominant approach marketing focuses on the item in question only whereas the service-dominant approach is all encompassing the product line. Say you just bought a brand new 65 inch TV for the living room and are now looking for a surround sound system to go with it. A knock-off brand at Best Buy has a system that fulfills all your requirements, but a Samsung 1120 surround sound system can configure to your TV, so you don't need the second remote, has a wi-fi capability and specific customer support, but is a little bit more expensive.