Time Warner

Former top-tier global media conglomerate and premium advertising inventory owner across cable, digital, and film properties

Time Warner was one of the world's largest media and entertainment conglomerates, formed through the 1990 merger of Time Inc. and Warner Communications and further expanded by the ill-fated AOL merger in 2001. At its peak, the company's portfolio encompassed HBO, CNN, Warner Bros. Entertainment, Turner Broadcasting System, DC Comics, and a vast array of cable networks and publishing properties. Its scale and content depth made it a dominant force in television, film, news, and digital media, with global reach across dozens of markets. Within the advertising ecosystem, Time Warner was a major seller of premium video and display inventory across its cable networks and digital properties. Turner Broadcasting's ad-supported networks — including TBS, TNT, CNN, Cartoon Network, and Adult Swim — generated billions in annual advertising revenue. The company invested heavily in data-driven advertising capabilities, launching Turner Ignite as a platform to offer advertisers audience targeting and cross-platform measurement across its properties, positioning itself as a premium alternative to digital-first platforms. On June 14, 2018, AT&T completed its $85.4 billion acquisition of Time Warner following an extended regulatory battle with the U.S. Department of Justice. AT&T promptly rebranded the combined media assets as WarnerMedia, retiring the Time Warner name entirely. WarnerMedia was subsequently spun off and merged with Discovery, Inc. in 2022 to form Warner Bros. Discovery, further distancing the legacy from the original Time Warner brand. The Time Warner name now exists only as a historical artifact, though its content assets and advertising infrastructure live on within Warner Bros. Discovery.