If you are that type of person to save a ton of YT videos on the "Watch later" folder I have a solution for you.
Copy the video link then go to Gemini and ask it to summarize it.
You'll be able to go through a 30min long video in just 2 min.
Maybe I'm being late to the party and you already knew that.
For me it just feels like a game changer, specially to avoid listening to repetitive info when I'm reasearching something.