Everybody is curious to see how everything will develop. For the end user, it will probably no noticeable difference, only rewards will create some confusion.

By the way, the hive.blog is already live, and I'm writing this comment from Hive. You should give it a try. I'm sure you will not see any difference...

PS: It was my first test from hive.blog and I see that currently the content is published on the steem blockchain. We need to wait for tomorrow for the first real-life experiments with Hive.