How is a Wikipedia article different from a news article about the 2011 Egyptian revolution at different points in the story’s evolution? What are the roles of social media and other Internet sources in rapidly evolving articles? And what, really, is Wikipedia’s working perspective on social media sources? This report tells the story of Wikipedia sources through a series of case studies including
... [Show full abstract] the 2011 Egyptian Revolution Wikipedia article, highlighting how sources were chosen and categorized, what were the most important variables used in discussing sources, and what this might mean for future tool-building and other projects related to sources.