I saw that too! Have you seen blogilates' burpee challenge? Its a pyramid workout, so you do 1 kettlebell swing + 1 burpee, then increase by 1 until you get to 15 swings and 15 burpees, then all the way back down to 1!

I'll attempt it when I'm feeling brave.

http://www.blogilates.com/workout-index/fat-burn-cardio-hiit/burpee-kettlebell-pyramind-burnout-pop-hiit-8