To find a comparable achievement by an artist in the western world, you might have to go back to Queen's performance at the Live Aid convert in 1985, which was remarkable for the fact that, while the crowd of 72,000 was slightly smaller than PSY's, Freddie Mercury had them eating out of his hand despite the fact that they were not a dedicated Queen audience.
But if the PSY phenomenon demonstrates anything more broadly, it is that Apple should be afraid… very afraid!
So what has K-Pop got to do with smartphones, we hear you cry? We think quite a lot, as we shall explain.
