Studies show that customers desire complex products prior to purchase but then experience negative emotions after using them. what are the implications of these studies for the ways marketers ought to manage complexity to high tech products?

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !