enhance b2c overview

Author: kengaderdus

articles/active-directory-b2c/overview.md

@@ -1,6 +1,6 @@
 ---
 title: What is Azure Active Directory B2C?
-description: Learn how you can use Azure Active Directory B2C to support external identities in your applications, including social login with Facebook, Google, and other identity providers.
+description: Learn how you can use Azure Active Directory B2C to support external identities in your applications, including social sign up with Facebook, Google, and other identity providers.
 services: active-directory-b2c
 author: msmimart
 manager: celestedg
@@ -21,10 +21,10 @@ Azure Active Directory B2C provides business-to-customer identity as a service.
 
 Azure AD B2C is a customer identity access management (CIAM) solution capable of supporting millions of users and billions of authentications per day. It takes care of the scaling and safety of the authentication platform, monitoring, and automatically handling threats like denial-of-service, password spray, or brute force attacks.
 
-Azure AD B2C is a separate service from [Azure Active Directory (Azure AD)](../active-directory/fundamentals/active-directory-whatis.md). It is built on the same technology as Azure AD but for a different purpose - to allow businesses build customer facing application and then allow anyone to sign up into those applications with no restrictions on user account.
+Azure AD B2C is a separate service from [Azure Active Directory (Azure AD)](../active-directory/fundamentals/active-directory-whatis.md). It is built on the same technology as Azure AD but for a different purpose. It allows businesses to build customer facing application, and then allow anyone to sign up into those applications with no restrictions on user account.
 
 ## Who uses Azure AD B2C?
-Any business or individual who wishes to allow anyone to sign up to their web/mobile applications. 
+Any business or individual who wishes to authenticate end users to their web/mobile applications using a white-label authentication solution. Apart from authentication, Azure AD B2C service is used for authorization such as access to API resources by authenticated users. Azure AD B2C is meant to be used by **IT administrators** and **developers**.
 
 ## Custom-branded identity solution
 

articles/active-directory-b2c/technical-overview.md

@@ -296,6 +296,12 @@ By integrating Azure Application Insights into Azure AD B2C custom policies, you
 
 For more information, see [Track user behavior in Azure Active Directory B2C using Application Insights](analytics-with-application-insights.md).
 
+## Automation using Microsoft Graph API
+
+Use MS graph API to manage your Azure AD B2C directory. You can also create the Azure AD B2C directory itself. You can manage users, identity providers, user flows, custom policies and many more. 
+
+Learn more about how to [Manage Azure AD B2C with Microsoft Graph](microsoft-graph-operations.md). 
+
 ## Azure AD B2C service limits and restrictions
 Learn more about [Azure AD B2C service limits and restrictions](service-limits.md)