In my March column entry I go through combining several cloud services using ACS to authenticate via Facebook and build a demo application. http://msdn.microsoft.com/en-us/magazine/gg650655.aspx
In February’s issue I take a further look at the Sync Framework using Services in Windows Azure to sync corporate databases lets you scale to many more end nodes than are possible with direct-to-database synchronization. http://msdn.microsoft.com/en-us/magazine/gg598920.aspx
Check out my latest column about pushing content from SharePoint up to Azure Storage and providing a working link still in SharePoint: http://msdn.microsoft.com/en-us/magazine/gg490343.aspx.
Check out my latest column regarding SQL Azure and Windows Azure Storage: http://msdn.microsoft.com/en-us/magazine/gg309178.aspx