Hey Bros 
So I just have a quick question, if you have seen PewDiePie's videos, in some of them (How To Be A Salad, Surgeon Simulator, Cat Mario), you can clearly see that he is sitting on the chair and behind him, is either the kitchen, living room, or a wall. In the videos, he does a "PewDiePie Techno Rage" where behind him is a Disco and he is dancing, so how does he turn the background to a Disco if the lighting isn't good and his shadow is on the wall? Like in Photobooth or iMovie you can only do that with a sort of Green Screen affect but if the lighting isn't good and your background isn't flat, it won't turn out good. So how does he do it? Also in How To Be A Salad, when he does the cup song and says "Total Badass", in the background you can see a black screen and explosion So how does he make that effect? Thanks in Advance!
*Brofist*
So I just have a quick question, if you have seen PewDiePie's videos, in some of them (How To Be A Salad, Surgeon Simulator, Cat Mario), you can clearly see that he is sitting on the chair and behind him, is either the kitchen, living room, or a wall. In the videos, he does a "PewDiePie Techno Rage" where behind him is a Disco and he is dancing, so how does he turn the background to a Disco if the lighting isn't good and his shadow is on the wall? Like in Photobooth or iMovie you can only do that with a sort of Green Screen affect but if the lighting isn't good and your background isn't flat, it won't turn out good. So how does he do it? Also in How To Be A Salad, when he does the cup song and says "Total Badass", in the background you can see a black screen and explosion So how does he make that effect? Thanks in Advance!*Brofist*