Looks like you're in a small and brief experiment (.3% of viewers for a few weeks) so you're seeing auto-generated thumbnails instead of custom thumbs. This is part of an effort to test/improve auto-generated thumbnails for the many creators that use them: https://goo.gl/A7oDmr
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Replying to @TeamYouTube @JamesTurnerYT
Why don’t you use the people who use auto-generated thumbnails for the experiment?
1 reply 0 retweets 32 likes -
Because that would actually make sense... we're talking about YouTube here.
1 reply 0 retweets 30 likes
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