Since the dawn of the digital age, the United States has seen significant technological advances that have reshaped daily life and the economy. Notably, the explosion of the internet in the 1990s and the advent of mobile technology in the 2000s have led to unprecedented levels of communication, commerce, and information access. In this context, which of the following technological developments is most closely associated with the emergence of social media platforms and their impact on the way Americans connect with one another?