Why would the apps need to be duplicated? Couldn't they just have their data access mapped toward space under each current_user account? Sure, you'd have to f

Why would the apps need to be duplicated? Couldn't they just have their data access mapped toward space under each current_user account? Sure, you'd have to flush any cached apps, leading to a little more load time here and there, but even then maybe not until/unless the new user tried to switch to a task still-running under another account. All data access going through the fairly narrow SDKs, and a lack of willy-nilly multi-tasking would seem to make this a fairly straightforward project.