The video shows a man standing on a stage, speaking to an audience. He is wearing a gray t-shirt and has short brown hair. The stage has a blue background with a geometric pattern. The man is gesturing with his hands as he speaks. There is a caption at the bottom of the screen that reads \"Mark Zuckerberg to give keynote address at FB conference.\" The man appears to be the CEO of Facebook, Mark Zuckerberg, and he is giving a speech at a conference.