For Some of the World’s Most Popular TV Dramas, the Viewer Can Determine How the Story Ends

Brazil's Globo Studios relies on focus groups to shape its telenovelas

RIO DE JANEIRO—At Globo Studios, Latin America’s largest production facility and the world’s most prolific producer of TV dramas, 352 actors, 254 writers and 183 directors are under long-term contracts feeding a content beast of thousands of hours of programming every year.