Using Smartphones, People Can Watch the News, Shoot Videos, Browse

Multiple Choice

Using smartphones, people can watch the news, shoot videos, browse the Internet, take pictures, and listen to music. Improved features are added with each smartphone introduced by Apple, Samsung, Google, and others. As a result, customers often want to replace their existing smartphones with new models every two years or more often, even if their existing phones still work. This increase in demand is due mostly to changes in ________, an environmental force.

A) competition
B) social culture
C) technology
D) regulations
E) the economy