update readme (#31)

* Updating readme

* Fixing broken link in eBook

README.md

@@ -1,11 +1,13 @@
 # eShopOnWeb
 
-Sample ASP.NET Core reference application, powered by Microsoft, demonstrating a monolithic application architecture and deployment model. This reference application is meant to support the [Architecting and Developing Modern Web Applications with ASP.NET Core and Azure eBook](https://aka.ms/webappebook)
+Sample ASP.NET Core reference application, powered by Microsoft, demonstrating a single-process (monolithic) application architecture and deployment model. This reference application is meant to support the [Architecting Modern Web Applications with ASP.NET Core and Azure eBook](https://aka.ms/webappebook)
 
-The **eShopOnWeb** is related to the [eShopOnContainers](https://github.com/dotnet/eShopOnContainers) sample application which, in that case, focuses on a microservices/containers based application architecture. However, **eShopOnWeb** is much simpler in regards its current functionality and focuses on traditional Web Application Development with a single monolithic deployment, no microservices/containers related.
+The **eShopOnWeb** sample is related to the [eShopOnContainers](https://github.com/dotnet/eShopOnContainers) sample application which, in that case, focuses on a microservices/containers-based application architecture. However, **eShopOnWeb** is much simpler in regards to its current functionality and focuses on traditional Web Application Development with a single deployment.
+
+The goal for this sample is to demonstrate some of the principles and patterns described in the [eBook](https://aka.ms/webappebook). It is not meant to be an eCommerce reference application, and as such it does not implement many features that would be obvious and/or essential to a real eCommerce application.
 
 > ### DISCLAIMER
-> **IMPORTANT:** The current state of this sample application is **ALPHA**, consider it a 0.1 foundational version. Therefore areas will change significantly while refactoring current code and implementing new features. **Feedback with improvements and pull requests from the community are highly appreciated and accepted.** Planned features for this sample include user registration, login, shopping cart management, and checkout.
+> **IMPORTANT:** The current state of this sample application is **BETA**, consider it a 0.5 version, open to community feedback and contributions. Some areas will continue to evolve and change while refactoring continues. **Feedback with improvements and pull requests from the community are highly appreciated and accepted.**
 
 ## Topics (eBook TOC)
 
@@ -23,7 +25,9 @@ The **eShopOnWeb** is related to the [eShopOnContainers](https://github.com/dotn
 
 ## Running the sample
 
-After cloning or downloading the sample you will need to run its Entity Framework Core migrations before you will be able to run the app. To do so, open a command prompt in the Web folder and execute the following commands:
+After cloning or downloading the sample you should be able to run it using an In Memory database immediately.
+
+If you wish to use the sample with a persistent database, you will need to run its Entity Framework Core migrations before you will be able to run the app. To do so, open a command prompt in the Web folder and execute the following commands:
 
 ```
 dotnet restore