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Xamarin DevOps with VSTS - Setup iOS CI Builds with MacinCloud, Xamarin DevOps with VSTS - Setup Android CI Builds, Xamarin DevOps with VSTS - Versioning Apps For HockeyApp, Xamarin DevOps with VSTS - Deploying To HockeyApp, and Xamarin DevOps with VSTS - Deploying To Devices From HockeyApp by Richard Woolcott.
How about my latest post on TPL Dataflow: TPL Dataflow Is The Best Library You're Not Using