Unlike older gens who grew up waiting for Saturday morning cartoons or rushing home to watch a music video air on cable, the youngest gens have never known a world without on-demand video content. And, naturally, that kind of access has shaped their viewing habits in big ways. Instead of passively tuning into whatever’s on, kids are curating their own entertainment across platforms—bingeing streaming-original shows, replaying favorite creators on YouTube, and discovering new trends through vertical-feed socials. And they’re watching a lot of it. Video is how they relax, learn, and connect with their friends, and it’s also driving their...