Final answer:
The diffusion of pop culture is exemplified by the spread of US-based fast-food franchises globally, the international popularity of American pop and rock music, and the transformative impact of smartphones and social networks on communication and social interactions worldwide.
Step-by-step explanation:
An example of the diffusion of pop culture in modern society is the global dominance of US-based fast-food franchises, such as McDonald's and Starbucks. These franchises represent American culture and, through globalization, have become commonplace in numerous countries around the world. This phenomenon showcases cultural convergence where various cultures adopt certain traits of another, leading to a more homogenized global culture.
Popular culture, consisting of events and attitudes existing in mainstream society, is significantly spread through various media outlets including television, movies, and the Internet. For instance, the wide reach of American music, especially genres like pop and rock, is readily observable in daily life, influencing fashion, language, and lifestyle choices.
In the realm of technology, the spread of smartphones and social networks is another pivotal aspect of cultural diffusion. These technologies have facilitated a rapid exchange of ideas and information, impacting social interactions and even fueling political movements, such as the Arab Spring. They exemplify how a single cultural invention can transform societies worldwide, often leading to a blend of online and in-person communication dynamics that sometimes challenge traditional cultural norms.