[shuriu]

This video from Numberphile goes in depth about this: https://www.youtube.com/watch?v=Obg7JPd6cmw . The guy talking, is Persi Diaconis, is the main author of the paper this article is based upon.

He also has done research on the randomness of shuffling cards: https://www.youtube.com/watch?v=AxJubaijQbI . Pretty cool stuff!