We are running a small experiment where 0.3% of viewers will see an auto-generated thumbnail, instead of your custom thumbnail. We are not removing the ability to create your custom thumbnail, but we hope to gain insights on auto-generated thumbnails for the future.
While I do love the idea, there are quite a few major problems I see that can hinder it's use.https://twitter.com/minenash_/status/1001073755697942534?s=09 …