Watch Sadisflix. Untappd: The Drinkumentary, a documentary that tells the tale of the launch, growth, and success of building a community of beer lovers on the platform over the last 10 years. The documentary shows life behind the scenes of Untappd, a small idea that turned into a community of close to 9 million users strong. The film features interviews with Founder Greg Avola, his family and close friends, and key players in the growth of Untappd.