File photo of Ellen DeGeneres, comedian and television personality. (Photographer: Andrew Harrer/Bloomberg)
(Bloomberg Businessweek) -- Ellen DeGeneres is on television every weekday. Sometimes she’s on twice. Her daytime talk show, The Ellen DeGeneres Show, brings in more advertising revenue than Dr. Phil’s and Kelly Ripa’s combined, and her prime-time special, Ellen’s Game of Games, gets consistently good ratings. DeGeneres produces movies, voices a popular Pixar character, has her own digital content network, and has earned at least $50...