Every day, thousands of hours of new video content sits waiting to be discovered. Most of it lives in long-form, horizontal formats, while audiences are scrolling through vertical feeds on their phones. Glance, a mobile-first content platform, knows this challenge well. The company processes 1-2 hour videos from sources like podcasts, news reports, movies, and web series, and transforms them into 30 to 180-second vertical clips optimized for mobile lock screens. With daily volume projected to grow from 3,500 to over 10,000 videos per day, manual editing wasn’t a realistic path forward.  The solution also needed to go beyond simple cropping. It required the intelligence to identify and center the primary speaker, or dynamically split the screen to stack speakers vertically during conversations, preserving the context that makes content worth watching. Here’s how Glance’s video generation solution works.…