Are there any areas of study that you feel are underrepresented here, and would be interesting and useful to lesswrongers?
I feel some topics are getting old (Omega, drama about moderation policy, a newcomer telling us our lack of admiration for his ideas is proof of groupthink, Friendly AI, Cryonics, Epistemic vs. Instrumental Rationality, lamenting how we're a bunch of self-centered nerds, etc. ...), and with a bit of luck, we might have some lurkers that are knowledgeable about interesting areas, and didn't think they could contribute.
Please stick to one topic per comment, so that highly-upvoted topics stand out more clearly.
I think we need more (Defence against the) Dark Arts discussion.
And yes I do think we need to learn to use them, as well as defend against them. An irrational person cannot be convinced that rationality is good through the use of rationality.
By "via rationality" I assume you mean "via logical argument or sound science", which is an absurd substitution. Rationalists should win. The Dark Arts therefore are a type of instrumental rationality. That said, I still disagree, at least for some irrational people (let's roughly say anyone I could convince to eating a food that gives them a stomachache).
They can be convinced they should study [instrumental] rationality, it just requires you present unreasonably large amounts of evidence and don't use logical inference or experiment... (read more)