If you are an "overhand" shuffler like me, this video is a wake-up call.
More card shuffling videos will be posted later in the week.
Here are some additional useful links...
Trailing the Dovetail to its Lair (7 shuffles)
Shuffling Cards and Stopping Times
Magical Mathematics by Persi Diaconis and Ron Graham
Coin Tossing (also with Professor Diaconis)