Oh, after 3:20 minutes, it's already over, very short video. The main message is about the motivation behind CUDA: People don't want to learn a completely new

Oh, after 3:20 minutes, it's already over, very short video. The main message is about the motivation behind CUDA: People don't want to learn a completely new language, they want to invest as little as possible. So that means, have just C but on GPU. The motivation of CUDA was to make GPU programming as easy as possible for someone who knows already C programming.