updated index pages

Author: bandersmsft

articles/cost-management-billing/costs/index.yml

@@ -11,7 +11,7 @@ metadata:
   author: bandersmsft
   ms.author: banders
   ms.manager: dougeby
-  ms.date: 12/18/2019
+  ms.date: 01/24/2020
 
 # linkListType: architecture | concept | deploy | download | get-started | how-to-guide | learn | overview | quickstart | reference | tutorial | whats-new
 
@@ -21,7 +21,7 @@ landingContent:
   # Card (optional)
   - title: Learn about Cost Management
     linkLists:
-    - linkListType: overview
+    - linkListType: learn
       links:
       - text: What is Cost Management and Billing?
         url: ../cost-management-billing-overview.md
@@ -33,6 +33,11 @@ landingContent:
         url: understand-cost-mgt-data.md
       - text: Understand and work with scopes
         url: understand-work-scopes.md
+    - linkListType: video
+      links:
+      - text: Azure Cost Management videos
+        url: https://www.youtube.com/c/AzureCostManagement
+
 
   # Card (optional)
   - title: Analyze and manage Azure costs
@@ -72,6 +77,16 @@ landingContent:
       - text: Manage AWS costs and usage
         url: aws-integration-manage.md
 
+  # Card (optional)
+  - title: Latest features
+    linkLists:
+    - linkListType: whats-new
+      links:
+      - text: Monthly updates
+        url: https://azure.microsoft.com/blog/tag/cost-management/
+      - text: Feature updates
+        url: https://azure.microsoft.com/updates/?product=cost-management
+
   # Card (optional)
   - title: Cost Management APIs
     linkLists:

articles/cost-management-billing/index.yml

@@ -132,7 +132,10 @@ conceptualContent:
       links:
         - url: https://feedback.azure.com/forums/906772-cost-management
           itemType: how-to-guide
-          text: Request a Cost Management service feature
+          text: Cost Management feedback
+        - url: https://twitter.com/azurecostmgmt
+          itemType: how-to-guide
+          text: Cost Management on Twitter
         - url: https://techcommunity.microsoft.com/t5/forums/searchpage/tab/message?filter=location&q=%22cost%20management%22&location=category:Azure&collapse_discussion=true
           itemType: how-to-guide
           text: Azure Cost Management Tech Community