6 Ways to Filter Your RSS Feeds - ReadWriteWeb
Buzz Marketing for Technology
JUNE 27, 2008
ZapTXT is a keyword filter (of the in variety) that returns results via email, instant messenger, or mobile phone. Just define your feed using the "Fetch Feed" module, connect it to a "Filter" module, which can filter either in or out by title, description, category, author, or date, and then connect it out to the Pipe Output.
270 
Let's personalize your content