There's lots of, lots of different ways to do it. And it becomes ubstancially pretty complex in some cases. The really interesting stuff is what do you do for things that have to be read and written? So ober has a global day to architecture, and they've probably spent a hundred engineering years on it,. Like literally a century of someone's time. But you know that that allows them to have a holistic global service. It might not work as well when you're travelling - your account is probably stored mostly in the united states. If you live in australia or sydney, let's ay, you're going to have an amazing experience... even though you...