You can start somewhere and then if you see that it doesn't stick around you can easily move your account to a different server and take all your followers with

You can start somewhere and then if you see that it doesn't stick around you can easily move your account to a different server and take all your followers with you, it's build into the software. In that sense it's even nicer than email where you need to tell everyone that you moved on to a different email-address manually.