Final Answer:
Social media is part of an online revolution known as Web 2.0. Option B is the answer.
Step-by-step explanation:
Online Communities (Option A): While social media involves online communities, the term "online communities" is broader and can include various online platforms beyond social media.
Web 2.0 (Option B): Web 2.0 refers to the evolution of the internet from a static environment to a more dynamic and interactive one. Social media platforms, characterized by user-generated content and interactivity, are a key aspect of Web 2.0.
Social Network Sites (Option C): Social media platforms are often referred to as social network sites, emphasizing the interconnectedness and social interactions they facilitate.
Consumer Review Sites (Option D): Consumer review sites focus on user reviews of products and services, representing a specific type of online platform different from social media.
Blogging (Option E): Blogging is a distinct form of online content creation, while social media encompasses a broader range of interactive platforms.
Option B is the answer.