The duty to create awareness: consumers know that the product has a more useful product advantages many competitors or may cause this product to know that help reduce the problem?
Responsible for creating knowledge: giving consumers know. Product advantages There are numerous advantages over its competitors Or may know this reduces what.
Functions of knowledge: consumers know the products has advantages of more useful than สินค้าคู่แข่ง. Or it may be that this product will reduce the problem?