In the video, a man is standing on a stage in front of a large audience. He is wearing a black t-shirt with the words "Tweet Mix" written on it. The man is speaking into a microphone and making hand gestures as he talks. The audience is not visible in the video, but the man appears to be addressing them. The stage has a large red and blue background with the letters "TED" visible. The man seems to be giving a presentation or speech.