This blog post discusses the use of Reactive Extensions (Rx.NET) in processing pipelines. The post provides an introduction to Rx.NET, discusses the benefits of using Rx.NET, and demonstrates how Rx.NET can be used to build processing pipelines. The author also provides code examples to help readers better understand the concepts being discussed. The post concludes with a discussion on some of the challenges of using Rx.NET in processing pipelines, as well as some tips for overcoming those challenges. Overall, this is a useful resource for developers who are interested in improving their processing pipelines using Rx.NET.