Paul Andrew, the technical product manager for Office 365 Identity Management, has blogged about the different identity models you can choose with Office 365. Learn how to move between them and choose the right one for your needs.
Read everything here http://blogs.office.com/2014/05/13/choosing-a-sign-in-model-for-office-365/
Paradigm Shift 
Reblogged this on oogenhand.