IMHO, the game-changer would be anything that can replace the need for university credit and degrees to assess suitability and ability for a job. That's the only purpose that degrees serve for the majority of graduates. Co-incidentally I wrote about that earlier today:

https://medium.com/@lonetwin/moocs-are-not-the-answer-they-a...

(almost the entire same thing as the comment on this HN submission: https://news.ycombinator.com/item?id=10423565 )