'Gangnam Style' busts YouTube's view counter? Not so fast - CNET
There was an easter egg in 2013 where the view count of Gangnam Style would have a GIF of officialpsy (the guy in the video) dancing. : r/TimeworksSubmissions
PSY's 'Gangnam Style' Video Hits 1 Billion Views, Unprecedented Milestone
PSY breaks YouTube views counter with "Gangnam Style"
Gangnam Style Broke YouTube's View Counter - The Math Details - YouTube
Gangnam Style hits one billion views on YouTube - BBC News
Gangnam Style' no longer YouTube's most played video, five years on from its release