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YouTube is testing a mystery button that starts playing random videos
(www.androidpolice.com)
This is a most excellent place for technology news and articles.
They can control your watch time better if you make less decisions. Just be a good little brainless consumer and scroll through endless amounts of bullshit instead of specifically finding one video, then doing something else.
It started with autoplay, wormed it's way into search feature, and now it's all over home and subscriptions.