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[Link] Tech economics pattern: "Commoditize Your Complement"

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[Link] April links

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[Link] March gwern.net link roundup

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"AIXIjs: A Software Demo for General Reinforcement Learning", Aslanides 2017

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Keeping up with deep reinforcement learning research: /r/reinforcementlearning

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Decision Theory subreddit

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Rationality Heuristic for Bias Detection: Updating Towards the Net Weight of Evidence

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Recent updates to gwern.net (2015-2016)

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Recent Comments

There are lots of specific examples. I see it as a generalization.

Speaking of Schmidhuber, he serves as a good example: he spends weirdness points like they're Venezuelan bolivars. Despite him and his lab laying more of the groundwork for the deep learning revolution than perhaps anyone and being right about many things decades before everyone else, he is probably...(read more)

The question isn't P(ever abused|mentally ill), the question is P(true accusation|mentally ill). Maybe 40% of mentally ill women have been victims of at least 1 attempted rape at some point in their lives, but if they go around making dozens of rape accusations, while non-mentally-ill women hardly e...(read more)

Here's how I think of optimizing grocery shopping. Food makes up a nontrivial fraction of my recurring monthly expenses, and while shopping, I've given it a bit of thought. I'm impressed how much money many people manage to spend on food, especially when they should be benefiting from scale/group. A...(read more)

https://www.wired.com/story/ketamine-stirs-up-hope-controversy-as-a-depression-drug/

> ...It was 2013. Michael, age 43, had suffered from psychiatric problems since he was a teenager—epic procrastination, binge drinking, and depression. He'd seen psychiatrists for 20 years and tried almost every an...(read more)

> An extreme version of this, to (possibly uncharitably, I’m not sure) paraphrase of part of [a post by Gwern on Denmark](https://www.gwern.net/Greenland):

I would phrase it more as, 'one or two people have tried to argue that subsidizing Greenland is charity; however, this is one of the most ineff...(read more)

Extensive comments at https://www.reddit.com/r/MachineLearning/comments/8di9nk/d_ai_researchers_are_making_more_than_1_million/ https://news.ycombinator.com/item?id=16880276 https://www.reddit.com/r/reinforcementlearning/comments/8di9yt/ai_researchers_are_making_more_than_1_million/

Their 2016 Form 990 just surfaced: http://www.guidestar.org/FinDocuments/2016/810/861/2016-810861541-0eb61629-9.pdf says they had $13m income in 2016, and at the end, assets of ~$2.6m.

It was partially to point out that you can get self-modification hazards with a substantially less complex setup than your proposal with a little hand-engineering of the agents; since none of the AI safety gridworld problems could be said to be rigorously solved, there's no need for more realistic s...(read more)