Guidance that provides developers with advanced guidance on how to develop for Office 365 including SharePoint Online, Exchange Online and Lync Online
The Office 365 Developer Training Kit contains developer focused presentations, self-paced labs and links to key resources to help you build solutions that leverage SharePoint Online, Exchange Online and Lync Online. In Office 365, SharePoint 2010, Exchange 2010 and Lync Server 2010 are hosted in Microsoft cloud datacenters to provide collaboration and communication as software-as-a-service (SaaS). Using this kit, you’ll learn how to build collaborative and communication focused cloud solutions that run in Office 365 using Visual Studio 2010 and the .NET Framework.
Source: Microsoft Download (here)