Content Keyword RSS - This pipe will search news sources from multiple sites such as Digg, Technorati, Yahoo News, PRWeb, and Google News, compare content, removing same stories and outputting a unique RSS feed full of content related to your keywords, sorted by most recent.
If you're in Calgary for a vacation and looking to do some shopping, this guide should help you find something unique.img src=http://feeds.feedburner.com/~r/trarticles/~4/3Oc8XLUikUI height=1 width=1/