Visiting a Mostr URL from a web browser (ie navigating from ActivityPub/Mastodon) will now redirect to a human-readable page where you can view the discussion in a Nostr client of your choice.

https://media.gleasonator.com/c49d51d9ce23f72aa71db52f70112f8ab2aa3a743cc51dd66918b3717986c039.mp4