Read the excerpt from "The Role of Social Media in the Arab Uprisings" by Heather Brown, Emily Guskin, and Amy Mitchell.

Social media indeed played a part in the Arab uprisings. Networks formed online were crucial in organizing a core group of activists, specifically in Egypt. Civil society leaders in Arab countries emphasized the role of "the internet, mobile phones, and social media" in the protests. Additionally, digital media has been used by Arabs to exercise freedom of speech and as a space for civic engagement.

Now, research is emerging that reexamines in a more detailed way the role that social media played in the Arab uprisings.

Which statement best evaluates the effectiveness of the evidence in the text?