April 15th, 2013
08:11 AM GMT
(CNN) – Two videos were unleashed in recent days driven by social media campaigns. Korean rapper PSY released “Gentleman,” his long-awaited follow-up to “Gangnam Style.”
More controversial is the release of “Ding Dong,” from “The Wizard of Oz,” sent into the charts as an irreverent response to the death of Margaret Thatcher, which was fuelled by a Facebook campaign.
Anthony Decurtis, contributing editor Rolling Stone, talks to CNN about viral videos and what makes something go 'viral.'
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