It's going to be interesting to see how many servers they add even to existing data centers and whether or not they'll do a server reshuffle like they did before. With Data Center travel coming it will at least allow people to visit friends if they are reshuffled. The did mention additional restrictions to what can be done with data center travel though.

Light and Chaos have 6 servers each so it'll be interesting to see if they create 6 new server or simply reshuffle some servers to the new one and add some more.