Update README.md

README.md

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 # Abstract
 
+Contoso Events is an online service for concerts, sporting and other event ticket sales. They are redesigning their solution for scale with a microservices strategy and want to implement a POC for the path that receives the most traffic: ticket ordering.
+
 ## Workshop
 
+In this workshop, you will look at the process of developing a proof of concept (POC) that will illustrate the use of many Azure features to support a highly scalable architecture based on Service Fabric, Functions and leveraging Azure Queues, CosmosDB migration from MongoDB, and other supporting features such as Azure AD and API Management. 
+
+## Target Audience
+
+There are two labs, one for each target audience:
+
+* Application developer
+* Infrastructure architect
+
+## Whiteboard Design Session
+
 This whiteboard design session is designed to help attendees gain a better understanding of implementing architectures leveraging aspects from microservices and serverless architectures, by helping an online concert ticket vendor survive the first 5 minutes of crushing load. They will handle the client\'s scaling needs through microservices built on top of Service Fabric, and apply smooth updates or roll back failing updates. Finally, students will design an implementation of load testing to optimize the architecture for handling spikes in traffic.
 
 Attendees will learn how to:
@@ -14,14 +27,11 @@ Attendees will learn how to:
 
 -   Provide query flexibility with Cosmos DB
 
-## Target Audience
-Application Developer
-
-## Whiteboard Design Session
-TBD
-
 ## Hand-on Lab
-TBD
+
+In this hands-on lab, you will construct an end-to-end POC for ticket ordering. You will leverage Service Fabric, API Management, Function Apps, Web Apps, and Cosmos DB.
+
+![](HOL/images/Hands-onlabstep-by-step-Microservicesarchitecture-Infrastructureeditionimages/media/image2.png)
 
 
 ## Azure services and related products