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(Note: If you don't use Anki, you can access the deck's contents here.)
If someone was interested in adding more facts to the deck, there are a bunch in these notes from The Precipice. (It's fairly easy to export from RemNote to Anki and vice versa, though formatting is sometimes a little broken.)
If you're a person who wants to learn this material, but doesn't have an Anki habit, I'd recommend taking this as an opportunity to try things [? · GW], and give it a go. Turn remembering things into a deliberate choice.
How many chicken years are affected per dollar spent on broiler and cage-free campaigns.
I estimate how many chickens will be affected by corporate cage-free and broiler welfare commitments won by all charities, in all countries, during all the years between 2005 and the end of 2018. According to my estimate, for every dollar spent, 9 to 120 years of chicken life will be affected.
My impression is that cage free campaigns have been very successful and there's much less low-hanging fruit, such that I don't think it's reasonable to extrapolate those results to an ongoing basis.
Thank you! The most surprising (though maybe not most impactful) cards for me so far were the once on neurons: Sure. Mammals make up the minority of neurons, but HOW ON EARTH are 90 Percent of those from humans?
Also, 30% from fish? I would have expected fish to be negligible.
The content of those cards also represented the biggest update for me. I wouldn't have guessed that the truth was roughly "two third of neurons are invertebrate neurons, one third of neurons are fish neurons".