In our example, we want to return only very recent items, problems reported in the last five days.We use a Fetch Feed module to grab the Atom feed (http://www.us-cert.gov/current/index.atom), and pipe it into a Filter module. We "permit items that match all of the following", and add a…

BBC Magazine's '10 things we didn't know last week' feature delivers tasty odd nuggets every week.