A feed that combines two things

In brief

• Use the OR operator | (or "%7C") in the feed url to filter the union of two search terms.
• Follow the feed in a reader or use it to create a dynamic list.

image: openclipart-vectors

A feed of overlaps

In brief

• Use the AND operator + in the feed url to filter the intersection of two search terms.
• Follow the feed in a reader or use it to create a dynamic list.

Image: Kismalac (public domain)

A AND B

Tailored blog feeds

photo: pexels

The insight that your blog is a database unlocks special blog pages tailored to combine subtopics.

Not just a page showing all the posts you've labeled "bread" (an old trick, and a handy one), but a page combining posts with two labels ("bread" plus "cheese").

Or, a page restricted to posts bearing both labels ("bread" and "cheese"). Or one that excludes (all "bread," except if also "cheese").

Well, you can do the same things with your blog feed.