Office 365 Architecture
Office 365 Main Site www.office365.com
Office 365 Services Overview www.microsoft.com/en-us/office365/online-services.aspx#fbid=EgQ8k2nAtrX
Office 365 Tour for Users http://office.microsoft.com/en-us/videos/office-365-a-tour-for-users-HA102657904.aspx
Office 365 YouTube www.youtube.com/user/MicrosoftOffice365/featured
Office 365 Administration http://onlinehelp.microsoft.com/office365-enterprises/gg524291.aspx
Single Sign-on Roadmap http://onlinehelp.microsoft.com/en-us/office365-enterprises/hh125004.aspx
Comparing P and E Plans http://blogs.technet.com/b/lystavlen/archive/2011/09/23/office-365-comparing-p-and-e-plans.aspx
Office 365 Service Descriptions (download) www.microsoft.com/download/en/details.aspx?id=18128
Office 365 Community Site http://community.office365.com
Office 365 on Facebook http://www.facebook.com/office365
Office 365 on Twitter @office365
Office 365 Developer Training Course http://msdn.microsoft.com/en-us/hh181605
Office 365 Developer Hub http://msdn.microsoft.com/en-us/office/hh506337
Office 365 Developer Training Kit Labs on Channel 9 http://channel9.msdn.com/Series/Office-365-Developer-Training-Kit-Labs
SharePoint Online Development
SharePoint Online Development Resource Center http://msdn.microsoft.com/en-us/sharepoint/gg153540
SharePoint Online for Office 365: Developer Guide www.microsoft.com/download/en/details.aspx?id=17069
MSDN: SharePoint Online: An Overview for Developers http://msdn.microsoft.com/en-us/library/gg317460.aspx
Resource Usage Limits on Sandboxed Solutions in SharePoint 2010 http://msdn.microsoft.com/en-us/library/gg615462.aspx
MSDN: LINQ to SharePoint http://msdn.microsoft.com/en-us/library/ee535491.aspx
MSDN: Client Object Model for SharePoint 2010 http://msdn.microsoft.com/en-us/gg620623
Using the SharePoint Foundation 2010 Managed Client Object Model http://msdn.microsoft.com/en-us/library/ee857094.aspx
BCS Using Web Services http://msdn.microsoft.com/en-us/library/gg318615.aspx
Managing BCS Applications:
Configuring Permissions and Other
Administrative Tasks
http://office.microsoft.com/en-us/sharepoint-online-enterprise-help/manage-business-connectivity-service-applications-HA102677933.aspx
www.it-ebooks.info
Exchange Online Development
Exchange Server Development Center http://msdn.microsoft.com/en-us/exchange/aa731543
Exchange Online Technical Articles http://msdn.microsoft.com/en-us/library/gg193994(EXCHG.140).aspx
Lync Development
Lync Developer Center http://msdn.microsoft.com/en-us/lync/gg132942
Lync Developer Downloads http://msdn.microsoft.com/en-us/lync/gg394195