https://www.gadgets360.com/apps/news/youtube-introduces-improved-bot-detection-notify-warning-spam-comments-google-alphabet-3606439
YouTube has announced the introduction of improvements made to its artificial intelligence and machine learning systems that detect spam on comments, and bots...
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https://www.thewrap.com/youtube-removes-58-million-channels-videos-spam/
58 million videos and 1.67 million channels were purged from YouTube between July and September
youtuberemovedmillionsspamchannels