The online conference covered 3 development options for building applications for Office 365 and SharePoint: SharePoint add-ins, Office add-ins, and Office 365 apps. The presenter discussed the characteristics of each option and how to determine the best model for a given project. They also reviewed developer tools, converged authentication using the Microsoft Graph API, and demoed accessing the Graph API. The presentation aimed to help developers choose the right development approach and tools for collaborating with and integrating data from Office 365 and SharePoint.