No more 2-day-old 2 year olds?

It's official. Korean age (known as 한국 나이) is officially gone in Korea. But what does this mean for the language? Should you speak differently, or use politeness levels differently? And what sorts of changes are coming? I met up with Jieun from the YouTube channel "그냥 한국어" and we talked about everything you should know related to this new change.