Tell me dance

wew..i have been addicted to this song..
Tell me from Wonder girls. They are Korean female group.
Although i dont understand Korean and what the song is all about,
but everytime i hear this song , it makes me dance..haha LOL?
The dance is also pretty popular. And they did even make the tutorial..Wow..
i feel challenged to learn the dance, even though im not gonna dance in front of anybody, hehe..but i feel tempted to master it..>.<
check out the video..



and this is the tutorial XD