Scientific 7 minute workout?

DaeNoMite

Have you guys heard of this? I thought it might be interesting to try out along with my workout. I don't see how 7 minutes can burn enough calories to make a major difference. Unless of course, this somehow boosts the afterburn affect and increases your basal metabolic rate. Here's the article:

http://well.blogs.nytimes.com/2013/05/09/the-scientific-7-minute-workout/