Why 'vertical shorts' for mobile phones are taking off in the entertainment industry

Most of the video entertainment we watch these days isn't at the movies, on TV or even on a computer -- it's on a smartphone. To cater to these changing habits, companies are turning out bite-sized soap operas for phone viewing. Ej Dickson, a senior writer at New York Magazine covering culture, joins Ali Rogin to discuss. PBS News is supported by - https://www.pbs.org/newshour/about/funders