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YouTube now suggests new content by colour
(szmer.info)
This is a most excellent place for technology news and articles.
My guess is search for toddlers, whose parents handed them a phone to keep busy while they rest or do something else. They're the only demographic that does not know how to spell, or knows too few words to search effectively. But considering the American education system this could also apply to students who are illiterate despite completing the grade every year.