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▲ fasterik 2 hours ago

I'd never heard this term either, but I'm assuming it means that if the video is N frames long, it uses frame N/2 as the thumbnail.

▲karpathy 2 hours ago | parent [-]

correct. it means the thumbnail is sourced from exactly halfway in the video, so you get a representative frame.

▲karpathy 2 hours ago | parent | next [-]

The average thumbnail on YouTube these days is some guy looking like HOLY SHIT, tearing his hair in amazement looking at something with an arrow pointing at some detail. "TOP 10 XYZ. YOU'LL NEVER BELIEVE #6". Like and subscribe. Utterly repulsive.

▲waschl 2 hours ago | parent | prev | next [-]

You may want to have a look at DeArrow https://dearrow.ajay.app/

▲em-bee 2 hours ago | parent | prev [-]

i'd prefer to see the original thumbnail though so that i can recognize the video if i have seen it on youtube already. i also expect that the kind of videos that tend to be recommended on HN are less prone to have clickbait thumbnails.

▲karpathy an hour ago | parent [-]

configurable in the Settings! (see the menu on the left banner)