The case of Iran in 2009 is notoriously false. See for example what ForeignPolicy has to say about it. More in general, Malcolm Gladwell is not convinced about

The case of Iran in 2009 is notoriously false. See for example what ForeignPolicy has to say about it. More in general, Malcolm Gladwell is not convinced about the power of social media... https://archive.is/GryvI#selection-323.0-355.16 https://archive.is/GryvI#selection-323.0-355.16