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LessWrong (aka Less Wrong) is a discussion forum founded by Eliezer Yudkowsky focused on rationality and futurist thinking. It is operated by the Machine Intelligence Research Institute.


According to the LessWrong FAQ,[citation needed] the site developed out Overcoming Bias, an earlier group blog focused on human rationality. Overcoming Bias originated in November 2006, with artificial intelligence (AI) theorist Eliezer Yudkowsky and economist Robin Hanson as the principal contributors. In February 2009, Yudkowsky's posts were used as the seed material to create the community blog LessWrong, and Overcoming Bias became Hanson's personal blog.[citation needed]

LessWrong has been closely associated with the effective altruism movement. Effective-altruism-focused charity evaluator GiveWell has benefited from outreach to LessWrong.[citation needed]

Roko's basilisk

In July 2010, LessWrong contributor Roko posted a thought experiment to the site in which an otherwise benevolent future AI system tortures anyone who does not work to bring the system into existence. This idea came to be known as "Roko's basilisk," based on Roko's idea that merely hearing about the idea would give the hypothetical AI system stronger incentives to employ blackmail. Yudkowsky deleted Roko's posts on the topic, later writing that he did so because although Roko's reasoning was mistaken, the topic shouldn't be publicly discussed in case some version of the argument could be made to work. Discussion of Roko's basilisk was banned on LessWrong for several years thereafter.[citation needed]

Media coverage

LessWrong has been covered in Business Insider and Slate. Core concepts from LessWrong have been referenced in columns in The Guardian.[citation needed]

LessWrong has been mentioned briefly in articles related to the technological singularity and the work of the Machine Intelligence Research Institute (formerly called the Singularity Institute). It has also been mentioned in articles about online monarchists and neo-reactionaries in positive light.[1]

Jargon and community

Less wrong uses an extensive set of in-group jargon and memes. Useful ones to know are:

There are also international meetup groups around the world for people who subscribe to the associated ideas. The association with the main site is looser in recent years, often referred to as the 'Rationalist diaspora'.

Current status

Less Wrong is currently far less active since it's 2012 peak with many core contributors having gone on to form their own blogs, or otherwise join what's commonly know as the Less Wrong diaspora.[2]

External links


  1. http://techcrunch.com/2013/11/22/geeks-for-monarchy/
  2. History of Less Wrong