Recode Decode, hosted by Kara Swisher

'Swiped' director Nancy Jo Sales

Journalist and author Nancy Jo Sales talks with Recode's Kara Swisher about her new HBO documentary, "Swiped: Hooking Up in the Digital Age." In this episode:03:41 - How Sales started writing about teenage culture08:20 - The psychological impact of the internet10:38 - "What's Tinder?"12:31 - Cheerleading tech and platforms' responsibility19:25 - Why Sales…