HBO Max (formerly Max) is an American subscription video on-demand over-the-top streaming service. It is a proprietary unit of Warner Bros. Discovery Streaming on behalf of Home Box Office, Inc., which is itself a division of Warner Bros. Discovery (WBD). The platform offers content from the libraries of Warner Bros., Discovery, HBO, CNN, Cartoon Network, Adult Swim, Animal Planet, TBS, TNT, Eurosport, and their related brands. HBO Max first launched in the United States on May 27, 2020.
https://en.wikipedia.org/wiki/HBO_Max