Azure AD Blog: http://blogs.technet.com/b/ad/

Azure RMS blog: http://blogs.msdn.com/b/rms/

‘In the Cloud’: http://blogs.technet.com/b/in_the_cloud/

Office blog: http://blogs.office.com/

Intune blog: http://blogs.technet.com/b/microsoftintune/

Azure Active Directory Videos/Demos: http://channel9.msdn.com/Series/Azure-Active-Directory-Videos-Demos

Getting Started with Azure Active Directory: https://msdn.microsoft.com/en-us/library/azure/dn499825.aspx

Set up Windows Azure ADhttp://blogs.technet.com/b/keithmayer/archive/2013/04/09/step-by-step-provisioning-windows-azure-active-directory-free-for-production-use.aspx

Azure AD connect: http://blogs.technet.com/b/ad/archive/2014/08/04/connecting-ad-and-azure-ad-only-4-clicks-with-azure-ad-connect.aspx

How to setup a new Windows forest in Azure: http://azure.microsoft.com/en-us/documentation/articles/active-directory-new-forest-virtual-machine/

How to assign Azure AD licenses to user accounts: http://channel9.msdn.com/Series/Azure-Active-Directory-Videos-Demos/How-to-assign-Azure-AD-Premium-Licenses-to-user-accounts

Assign EMS/Azure AD Premium licenses with PowerShell: http://channel9.msdn.com/Series/Azure-Active-Directory-Videos-Demos/Assign-EMS-Azure-AD-Premium-lics-with-PowerShell

Here are list of tip and tricks to use the AADSync tool:

AADSync technet ref: https://msdn.microsoft.com/en-us/library/azure/dn790204.aspx

AADSync blog: http://blogs.technet.com/b/aadsyncsupport/