I have no idea about the structure of the ids, I just typed some random integers (Mostly to see what their 404 would look like) and to my surprise got a real t

I have no idea about the structure of the ids, I just typed some random integers (Mostly to see what their 404 would look like) and to my surprise got a real tweet! What are the odds. https://platform.twitter.com/embed/Tweet.html?id=6446 https://platform.twitter.com/embed/Tweet.html?id=6446