Hands-on links for Planner resources

Rest APIs: http://graph.microsoft.io/en-us/docs/api-reference/beta/resources/task
User voice: https://planner.uservoice.com/forums/330525-microsoft-planner-feedback-forum
Brian Smith(MSFT) blogs: https://blogs.msdn.microsoft.com/brismith/2016/
Microsoft blogs: https://blogs.office.com/?filter=true&filter-product=planner
Video demo: https://blogs.office.com/2016/06/27/microsoft-planner-hands-on-demonstration/