Definition of "virality" []

• The state or condition of being viral; tendency to spread by word of mouth. (noun)

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• "Many believe that the apogee in so-called virality is when a video is passed on to millions."
• "You have to have all the basics of "virality" down."
• "To make sense of these trends in "virality," the Penn researchers tracked more than 7,500 articles published from August 2008 to February 2009."