Lo and Behold, Reveries of the Connected World is a 2016 American documentary film directed by Werner Herzog. In it, Herzog ponders the existential impact of such things as the Internet, robotics, artificial intelligence, and the Internet of things on modern human life. The leaders in the field of technology who are interviewed in the film include Leonard Kleinrock, Bob Kahn, Ted Nelson, Sebastian Thrun, and Elon Musk. The film, which was sponsored by the company NetScout, premiered at the 2016 Sundance Film Festival.