In Google Reader, you can click the arrow on a folder and select "Create Bundle" to create a "Bundle", which is just a link other Reader users can use to add th

In Google Reader, you can click the arrow on a folder and select "Create Bundle" to create a "Bundle", which is just a link other Reader users can use to add the feeds to their subscriptions. It also creates an OPML file though, which can be imported into most RSS readers.