I can imagine they would (eventually) provide a mechanism to be notified when the article is updated. As for the scrolling, it looks like the most recent portio

I can imagine they would (eventually) provide a mechanism to be notified when the article is updated. As for the scrolling, it looks like the most recent portion is placed at the top - "But when more news breaks, you go back to the article, insert an update at the top, and change..."