How a digital newspaper models a metered paywall: articles with revisions, the per-reader meter, plans and subscriptions, gift links, newsletters and moderated comments.
A content management schema that survives contact with editors: posts with an append-only revision history, categories and tags, threaded comments, a real media library, slug redirects and a double opt-in newsletter list.
How a live streaming platform models its data: broadcast sessions with start and end times, VODs and clips derived from them, tiered and gifted subscriptions, bits, chat, moderation logs and raids.
How a video platform models its data: channels and uploads, encoded renditions, view counts rolled up per day, likes, one-level comment threads, subscriptions, playlists, monetisation and community posts.
How a book cataloguing site models its data: works split from editions and ISBNs, contributors with roles, default and custom shelves, reading progress, ratings and reviews, series ordering and a friend activity feed.