Pipes for the Internet

Yahoo has found the Internet's pipes. Well, actually they have this beta project called Pipes which let's you roll your own web aggregator. There have been mashups before using google maps and craigslist, but this let's you do something similar without writing any code. See here for Lifehacker's article on Yahoo Pipes.

Here is my simple example of using pipes. It returns all pages containing iphone, and restricts it to only pages found on apple.com