This is just typical American nonsense. Remember the Hokey Pokey? How about the 90's with The Macarena. However The Gangnam Style is what it is. It won't die, and right now it's conditioning you especially if you have already listened to the whole song, or watched the whole video. Have a nice day sheeple.
It's called a fad.. and it isn't something that just happens in America. Posting various fad artists/songs from around the world would take too much of my time, look em up yourself.. here's one though