The blog says the "velocity of popularity for PSY's outlandish video is unprecedented".
PSY's video featuring his horse-riding dance was posted on YouTube in July, while Baby was uploaded in February 2010.
PSY's video has become a global sensation, with many people around the world mimicking his Gangnam Style dance.
In their October meeting, United Nations secretary general Ban Ki-moon, a South Korean, joked that he had to relinquish his title as "the most famous Korean" and tried a few of PSY's dance moves.
Psy, real name Park Jae Sang, is the latest export from South Korea's K-Pop (or Korean Pop) culture, whose usual exponents come in the form of auto-tuned, implausibly attractive girl and boy bands.
Their videos regularly go viral among millions of teenagers at home and abroad, but Psy – a portly, thirtysomething rapper with a penchant for bow ties – has eclipsed them all, to the surprise and delight of K-pop's ex-pat fans.
Gangnam – a wealthy district of the South Korean capital, Seoul – is home to the rich and privileged children of corporate millionaires.
So while fans love the kitsch video and Psy's "riding an invisible horse" dance, the song could, in fact, be a send-up of the rampant materialism of the Korean upper classes.
Spin-off version starring Hyun-A from K-Pop group 4Minute
Michael Simmons has mashed up Carly Rae Jepsen’s 'Call Me Maybe' with 'Gangnam Style'.
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