At Link Removed, you were introduced to Link Removed (new async and await language keywords), a new language feature in C# and VB.NET. At the same time, the Rx team shipped the Link Removed of their software, which adds the following capabilities to the library:
Support for the new C# await...
Meet some of the key folks behind the Link Removed, which contains a preview version of C# and VB.NET that contain two new modifiers, async and await (and iterators for VB.NET!), that will make it much easier to compose asynchronous code for .NET. Great work, C#, VB and Parallel Platform teams...