It's time to reveal all recommendation algorithms – by law if necessary

We should know why we see what we see, not be left in the dark

Column As it's been about forty years since I've had pimples, it astounds me that YouTube's recommendation engine recently served me videos of people with some really severe skin problems - generally on their noses. The preview images themselves are horrifying, and should really come with some sort of content warning. I immediately tell YouTube I don't want this" and never recommend this channel."...