Hi, I'm Alejandro, and I did the Peng Joon videoschallenge program and I want to recommend it widely, It helped me not only to improve my posture by making videos, but I also learned many tips based on his experience, I have been applying it and the results that I am Having are notorious, I do not speak English well, however I can perform the videos in my language, and observe the examples, feedback and the help that Peng offered us, I am grateful for having had this training, as he says, is truly a Game Changer