I am currently testing the newly launched Yahoo! Pipes. And yes, it guides me in creating one with this:

Okay, I was having trouble in creating a pipe. I need to study it first.

Notes: O’Reilly gives some tips here. Matt Cutts has these words:

The idea of Yahoo Pipes, as far as I can tell from a quick look, is to allow that same pipe behavior on RSS feeds. The system also outputs RSS urls. There are operators like sorting, counting, truncating, etc. If you wanted to make a mash-up of different feeds, this would be a neat way to prototype it.

What is Yahoo! Pipes?

Pipes is a hosted service that lets you remix feeds and create new data mashups in a visual programming environment. The name of the service pays tribute to Unix pipes, which let programmers do astonishingly clever things by making it easy to chain simple utilities together on the command line.

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