v3 preview 4 update to core vs 4.x compare (#12249)

aspnetcore/fundamentals/choose-aspnet-framework.md

@@ -4,7 +4,7 @@ author: rick-anderson
 description: Explains ASP.NET Core vs. ASP.NET 4.x and how to choose between them.
 ms.author: riande
 ms.custom: "mvc, seodec18"
-ms.date: 09/11/2018
+ms.date: 05/02/2019
 uid: fundamentals/choose-between-aspnet-and-aspnetcore
 ---
 # Choose between ASP.NET 4.x and ASP.NET Core
@@ -38,7 +38,6 @@ See [ASP.NET Core targeting .NET Framework](xref:index#target-framework) for inf
 
 ## ASP.NET Core scenarios
 
-* [Razor Pages](xref:razor-pages/index) is the recommended approach to create a Web UI as of ASP.NET Core 2.x.
 * [Websites](xref:tutorials/first-mvc-app/index)
 * [APIs](xref:tutorials/first-web-api)
 * [Real-time](xref:signalr/index)

aspnetcore/includes/benefits.md

@@ -3,6 +3,7 @@ ASP.NET Core provides the following benefits:
 * A unified story for building web UI and web APIs.
 * Architected for testability.
 * [Razor Pages](xref:razor-pages/index) makes coding page-focused scenarios easier and more productive.
+* [Blazor](xref:blazor/index) lets you use C# in the browser alongside JavaScript. Share server-side and client-side app logic all written with .NET. 
 * Ability to develop and run on Windows, macOS, and Linux.
 * Open-source and [community-focused](https://live.asp.net/).
 * Integration of [modern, client-side frameworks](xref:blazor/index) and development workflows.