Used to be you signed up for cable and voila, you’re watching your favorite shows (as well as a bunch of stuff you don’t care about, for maybe too high a price).

Then streaming came along. First Netflix. Then Amazon. Hulu. And now a whole new batch of subscription services are about to launch: Disney+, HBO Max, Apple TV+. It’s getting more complicated and competitive, with content jumping off some platforms and clustering onto others. What services will survive this battle? And why is this happening now? CNBC media and tech reporter Alex Sherman helps us out.

Plus, National Youth Poet Laureate Amanda Gorman answers the Make Me Smart question.