IMO separating identity from display-name is an under-used design choice, especially if you think your system needs to scale up to lots and lots of unique accou

IMO separating identity from display-name is an under-used design choice, especially if you think your system needs to scale up to lots and lots of unique accounts. The one true pattern for auth/identity has been known a long time: http://habitatchronicles.com/2008/10/the-tripartite-identity-pattern/ http://habitatchronicles.com/2008/10/the-tripartite-identity...