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These 10 supervirals earned your attention instead of just paying for it.
 The 10 Most Watched Ads on YouTube in 2013 www.adweek.com In a given year, only a handful of spots break through to become megahits—blowing past the 10 million views mark on YouTube (a useful guidepost for gauging supervirals) and engaging with blockbuster TV-size audiences. |
