Paramount+ is taking a page out of TikTok's book. Paramount Skydance's flagship streamer is adding a short-form vertical video feed on its mobile app. The feature is currently live on its iOS app. David Ellison's company is getting into short-form video by repurposing snippets from shows, like "South Park" and "The Madison," two people familiar with the project said. "Right now, it's just horizontal clips fitted into vert format," one streaming employee said. Paramount hopes short-form clips