I was doing research on “The Wizard of Oz” recently when I came across this latest horrific example of Netflix's recommendation algorithm:

If you'd asked me to name a thousand movies that were similar to “The Wizard of Oz,” I wouldn't have named any of these. Who is screwing things up at Netflix? Who was fired, and who was hired, and who is running things into the ground there?

As an experiment, I tried it at IMDb.com. These are the recommendations for their “Wizard of Oz” page:

That's a little more like it.