Microsoft recently begun seding out "Save the Date" invitations for its Windows Phone Developer Summit, to be held in San Francisco, California on June 20-21, 2012. The invitation doesn't specify the topics Microsoft plans to cover at the summit.
But, it is expected, that Microsoft might disclose some information about it upcoming mobile operating system Windows Phone 8 codenamed "Apollo." Or, may be more about Tango.
In the video below, Nick Harris -- Technical Evangelist for Windows Azure -- takes us on a deeper dive into how add Push Notifications to both Windows 8 and Windows Phone applications using MPNS, WNS, Windows Azure and a number of re-usable NuGet packages.