The company that helped teach America to watch television now has to make broadcast, streaming, cinema and theme parks behave like one business. Its advantage is not a single screen - it is the loop between them.
The company once called SeaWorld Entertainment quietly renamed itself United Parks & Resorts - and in doing so admitted that a killer whale was no longer the whole story.
The company behind Dollywood and Silver Dollar City turned a single Missouri cave into North America's largest family-owned attractions empire - and it runs the whole thing on a management theory most boardrooms would never say out loud: love.
Comcast built a $123.7 billion business by owning more of the trip from socket to screen than almost anyone else. Now it is pulling that empire apart to see whether focus can do what scale no longer does.