How and where can Reactive Extensions be used? [duplicate]

This question already has an answer here: 开发者_如何学Go Closed 11 years ago.

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What is Reactive Extensions used for

Lets say for instance I am building an eCommerce web site.

In layman's terms, where can Rx be used and what will it be doing?

SilverLight 5 and Rx, are there any practical examples?

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Apart from documentation available I would recommend viewing training videos on www.pluralsight.com

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I briefly discuss some of the core application usage types at http://www.thinqlinq.com/Post.aspx/Title/Reactive-Framework-Why-bother. I also have a number of Silverlight samples available at http://www.thinqlinq.com/Files.aspx.

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The pre-release documentation for Rx has just been released, so I recommend that you take a look at that, and in particular this section: When Will You Use Rx.