Yahoo! Pipes
Maybe you read about the new Yahoo! Pipes before. it’s a new amazing service that allows you to mix whatever number of RSS feeds to create a new one. also, you can filter the contents of every feed. so you can create a totally customized new feed which only contains information that you are interested in. there is many other things that you should try yourself.
in the last company I worked for, they wanted to create a small news website. they wanted the posts to be added automatically to their website. my idea was that we can read the news from other websites like BBC, CNN ..etc automatically. some of these websites were providing RSS feeds. my plan at this time was that we can build something similar to Yahoo! Pipes with a web scraper to manage all the feeds and the other news sources that don’t provide any clean way to access its data.
now with Yahoo! Pipes, any one can do this simply in minutes. maybe the only thing that will limit the number of users of this service is that not everybody can understand the idea and the benefits of something like this.
PS: I remember that after finishing around 50% of this project, I had to stop working and had to study for the exams. when I came back to work at the company, I found that someone formated my computer without taking a backup of the files of the project 
… Oops, not that smile, maybe this one ( 
).
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