diff --git a/README.md b/README.md
index 3c9d9a0..8fa6edf 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ Each Section contains a number of units. **Below Table Link** containing informa
 - [Advanced Identity](sections/advanced_identity.md)
   - AWS STS (SecurityToken Service), Amazon Cognito (simplified), What is Microsoft Active Directory (AD)?, AWS Single Sign-On (SSO)
 - [Other AWS Services](sections/other_aws_services.md)
-  - Amazon WorkSpaces, Amazon AppStream 2.0, Amazon Sumerian, AWS IoT Core, Amazon Elastic Transcoder, AWS Device Farm, AWS Backup, AWS Elastic Disaster Recovery (DRS), AWS DataSync, AWS Fault Injection Simulator (FIS)
+  - Amazon WorkSpaces, Amazon AppStream 2.0, Amazon Sumerian, AWS IoT Core, Amazon Elastic Transcoder, AWS AppSync, AWS Device Farm, AWS Backup, AWS Elastic Disaster Recovery (DRS), AWS DataSync, AWS Fault Injection Simulator (FIS)
 - [AWS Architecting & Ecosystem](sections/architecting_and_ecosystem.md)
   - Well Architected Framework General Guiding Principles, AWS Cloud Best Practices - Design Principles, Well Architected Framework 6 Pillars, AWS Well-Architected Tool, AWS Right Sizing, AWS Ecosystem - Free resources, AWS Marketplace
 
diff --git a/sections/other_aws_services.md b/sections/other_aws_services.md
index 2274b8b..6e51fce 100644
--- a/sections/other_aws_services.md
+++ b/sections/other_aws_services.md
@@ -6,6 +6,7 @@
   - [Amazon Sumerian](#amazon-sumerian)
   - [AWS IoT Core](#aws-iot-core)
   - [Amazon Elastic Transcoder](#amazon-elastic-transcoder)
+  - [AWS AppSync](#aws-appsync)
   - [AWS Device Farm](#aws-device-farm)
   - [AWS Backup](#aws-backup)
   - [AWS Elastic Disaster Recovery (DRS)](#aws-elastic-disaster-recovery-drs)
@@ -57,6 +58,17 @@
   - Cost effective – duration-based pricing model
   - Fully managed & secure, pay for what you use
 
+## AWS AppSync
+
+- Store and sync data across mobile and web apps in real-time
+- Makes use of GraphOL (mobile technology from Facebook)
+- Client Code can be generated automatically
+- Integrations with DynamoDB / Lambda
+- Real-time subscriptions
+- Offline data synchronization (replaces Cognito Sync)
+- Fine Grained Security
+- AWS Amplify can leverage AWS AppSync in the background!
+
 ## AWS Device Farm
 
 - Fully-managed service that tests your web and mobile apps against desktop browsers, real mobile devices, and tablets