Pop culture is changing thanks to a different kind of storytelling, says digital strategist Hyeonmi Kim. They're called webtoons: comic-like illustrations published in short segments and meant to be read on a smartphone in five to 10 minutes. Kim breaks down how webtoons have leapt from phones to the big screen (Netflix's "Hellbound," anyone?) and how they're bringing a new, diverse generation of creators into TV and movie scriptwriting.