The Most Popular Sport You've Never Heard Of

I present cup stacking:

http://www.marketwatch.com/video/asset/cup-stacking-the-most-popular/6065E56E-1FCD-4637-80E5-40F7AF8FD17D

http://www.youtube.com/watch?v=LyU5v0ZYMjI

http://www.youtube.com/watch?v=xNG3sgk02Lc