In sociology and anthropology, social stratification is the hierarchical arrangement of social classes castes and strata within a society. While these hierarchies are not universal to all societies, they are the norm among state-level cultures as distinguished from hunter gatherers or other social arrangements. According to Peter Saunders, in modern Western societies stratification depends on social and economic classes comprising three main layers: upper class, middle class and lower class. Each class is further subdivided into smaller classes related to occupation. The term stratification derives from the geological concept of strata, or rock layers created by natural processes. Technology is a broad concept that deals with an animal species usage and knowledge of tools and crafts and how it affects an animal species' ability to control and adapt to its environment Technology is a term with origins in the Greek "technologia", "τεχνολογίa — "techne", "τέχνη" ("craft") and "logia", "λογία" ("saying"). However, a strict definition is elusive; "technology" can refer to material objects of use to humanity, such as machines, hardware or utensils, but can also encompass broader themes, including systems, methods of organization, and techniques. The term can either be applied generally or to specific areas: examples include "construction technology", "medical technology", or "state-of-the-art technology".
Technology has affected society and its surroundings in a number of ways. In many societies, technology has helped develop more advanced economies including today's global economy and has allowed the rise of a leisure class. Many technological processes produce unwanted by-products, known as pollution, and deplete natural resources, to the detriment of the Earth, and its environment.Various implementations of technology influence the values of a society and new technology often raises new ethical questions. Examples include the rise of the notion of efficiency in...
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