Relocation Diffusion Definition: The spread of an idea through physical movement of people from one place to another.Example: The most common languages in North and South America are Spanish, English, French, and Portuguese, primarily because several hundred years ago Europeans who spoke these languages comprised the largest number of migrants.
Hierarchical
Diffusion Definition: The spread of an idea from persons or nodes of authority or power to other persons or places.
Example: Hip-hop and rap music is an example of innovation that originated in urban areas, though diffused from low-income African Americans rather than from socially elite people. Expansion Diffusion Contagious
Diffusion
Definition: It is the rapid, widespread diffusion of a characteristic throughout the population.
Example: The widespread diffusion of videos that have “gone viral” as web surfers throughout the world have access to the same material simultaneously.
Stimulus Diffusion
Definition: The spread of underlying principle even though a characteristic itself apparently fails to diffuse.
Example: competitors have adopted innovative features of Apple’s iPhone and iPad.
14. In the past, most interaction between places required what?
15. Describe the phenomenon known as distance decay.The farther away someone is from another, the less likely the two are to interact. Contact diminishes with increasing distance and eventually disappears.
