Updated readmes

Author: Kalyan Krishna

1-WebApp-OIDC/1-2-AnyOrg/README.md

@@ -170,6 +170,8 @@ cd "1-WebApp-OIDC\1-2-AnyOrg"
 
 2. Open your web browser and make a request to the app. Accept the IIS Express SSL certificate if needed. The app immediately attempts to authenticate you via the Microsoft identity platform endpoint. Sign in with your personal account or with work or school account.
 
+> A recording of a Microsoft Identity Platform developer session that covered this topic of developing a multi-tenant app with Azure Active Directory is available at [Develop multi-tenant applications with Microsoft identity platform](https://www.youtube.com/watch?v=B416AxHoMJ4).
+
 ## Troubleshooting
 
 ### known issue on iOS 12

1-WebApp-OIDC/1-3-AnyOrgOrPersonal/README-1-1-to-1-3.md

@@ -39,5 +39,7 @@ In the **appsettings.json** file, replace the `TenantId` value with `"common"`
 
 ## Next steps
 
+- A recording of a Microsoft Identity Platform developer session that covered this topic of developing a multi-tenant app with Azure Active Directory is available at [Develop multi-tenant applications with Microsoft identity platform](https://www.youtube.com/watch?v=B416AxHoMJ4).
+
 - Learn how to enable users from [National clouds](../1-4-Sovereign) to sign-in to your application
 - Learn how to enable your [Web App to call a Web API on behalf of the signed-in user](../../2-WebApp-graph-user)

2-WebApp-graph-user/2-3-Multi-Tenant/README-National-Cloud.md

@@ -44,6 +44,8 @@ In addition to the public cloud​, Azure Active Directory is deployed in th
 - Microsoft Cloud Germany
 - Azure and Office 365 operated by 21Vianet in China
 
+> A recording of a Microsoft Identity Platform developer session that covered this topic of developing a multi-tenant app with Azure Active Directory is available at [Develop multi-tenant applications with Microsoft identity platform](https://www.youtube.com/watch?v=B416AxHoMJ4).
+
 ### Overview
 
 When it comes to developing apps, developers can choose to configure their app to be either single-tenant or multi-tenant during app registration in the [Azure portal](https://portal.azure.com).

2-WebApp-graph-user/2-3-Multi-Tenant/README.md

@@ -37,6 +37,8 @@ When it comes to developing apps, developers can choose to configure their app t
 
 For more information about apps and tenancy, see [Tenancy in Azure Active Directory](https://docs.microsoft.com/azure/active-directory/develop/single-and-multi-tenant-apps)
 
+> A recording of a Microsoft Identity Platform developer session that covered this topic of developing a multi-tenant app with Azure Active Directory is available at [Develop multi-tenant applications with Microsoft identity platform](https://www.youtube.com/watch?v=B416AxHoMJ4).
+
 ![Sign in with Azure AD](ReadmeFiles/topology.png)
 
 ## Scenario

5-WebApp-AuthZ/5-2-Groups/README-incremental-instructions.md

@@ -35,7 +35,7 @@ This sample first leverages the ASP.NET Core OpenID Connect middleware to sign i
 
 ![Sign in with the Microsoft identity platform](ReadmeFiles/sign-in.png)
 
-> An Identity Office Hours session covered Azure AD App roles and security groups, featuring this scenario and how to handle the overage claim. Watch the video [Using Security Groups and Application Roles in your apps](https://www.youtube.com/watch?v=V8VUPixLSiM)
+> An Identity Developer session covered Azure AD App roles and security groups, featuring this scenario and how to handle the overage claim. Watch the video [Using Security Groups and Application Roles in your apps](https://www.youtube.com/watch?v=V8VUPixLSiM)
 
 > Pre-requisites:
 >

5-WebApp-AuthZ/5-2-Groups/README.md

@@ -35,7 +35,7 @@ This sample first leverages the ASP.NET Core OpenID Connect middleware to sign i
 
 ![Sign in with the Microsoft identity platform](ReadmeFiles/sign-in.png)
 
-> An Identity Office Hours session covered Azure AD App roles and security groups, featuring this scenario and how to handle the overage claim. Watch the video [Using Security Groups and Application Roles in your apps](https://www.youtube.com/watch?v=V8VUPixLSiM)
+> An Identity Developer session covered Azure AD App roles and security groups, featuring this scenario and how to handle the overage claim. Watch the video [Using Security Groups and Application Roles in your apps](https://www.youtube.com/watch?v=V8VUPixLSiM)
 
 ## How to run this sample