Ratings for most HBO shows are relatively low and shows like Game of Thrones cost a lot to make. That said, HBO still turns a tidy profit. Find out how.

Six years later, when he came up with the idea for Home Box Office, better known as HBO, cable was still seen as a way to solve reception problems in rural communities, rather than as a promising ...

The Green Channel was renamed HBO before launch ... let’s call it The Home Box [a slang term for the box that delivered broadcast signals to cable homes],’” Dolan recalled.

"Sometimes a Great Notion" was the first movie shown on HBO, then known as Home Box Office Inc., the premium cable service that would change television forever. It was the brainchild of Charles Dolan.

John Malone, Brian Roberts and more pay tribute to visionary cable titan Charles Dolan: 'A better human being does not exist,' Malone tells Variety.