Tony Horton Talks P90X and What's Next

... following that stretches around the globe. Indeed, the 90-day program which works by mixing elements of body weight training, cardio, yoga and martial arts has sold more than 3.5 million copies since 2005. And Horton plans to use that opportunity ...

http://health.usnews.com/health-news/health-wellness/articles/2013/09/10/tony-horton-talks-p90x-and-whats-next?s_cid=rss:tony-horton-talks-p90x-and-whats-next