I've had some time to play with Yahoo!'s new RSS mixing service, Pipes, and I'm impressed with the possibilities. Unfortunately, there's still a hefty number of bugs, and some features are sorely lacking (experienced coders will probably be most annoyed by being forced at working in a visual environment and not being able to look at the actual code). 2.0featurestipsweb in Public bookmarkswith feedspipesrssweb2.0by 5 users