This is not to say that valid criticisms of Web 2.0 discourse do not exist. Among popular books, Evgeny Morozov's Net Delusion critiques the “Google Doctrine,” which holds that the internet can induce democracy in authoritarian governments. Morozov pokes holes in popular narratives of the Iranian Green Revolution (his book was written before the Arab Spring) and compares Western enthusiasm over Twitter to the theory that the USSR fell due to U.S.-provided pamphlets and photocopiers. … Eli Pariser's Filter Bubble argues that personalized content risks filtering out unpopular and unusual opinions, maintaining the status quo for online media surfers and encouraging homophily.

Alice E. Marwick, Status Update, loc. 787