social change is the alteration of social interactions, institutions, stratification systems, and elements of culture over time . societies are in constant of flux. some changes air rapid, such as those brought about by desktop computers in little more than ten years. Other changes are more gradual, such as the increasing urbanization that characterizes the contemporary world. sometime people adapt quickly to change, in response to the development of electronic communication. Other times people resist change or are slow to adapt to new possibilities. Despite decades of effort to promote contraceptive methods, in some developing nation are only the most sluggish gains