Pretty sure the last thing the world needs is Less Wrong cross-pollinating with Hacker News.
The HN readership had lots in common with LessWrong, but they were diluted and displaced by people who don't share their same, ahem, qualities.
[0] http://wiki.lesswrong.com/wiki/AIXI [1] http://www.youtube.com/watch?v=yfsMHtmGDKE
You could use the same neural network with different inputs to do other stuff, like recognize characters, and all kind of pattern matching / classification.
Or maybe the $ is a typo and you mean the Christian notion of Hell? Is Hell a problem for the human race? Not likely as, even if it exists, it's only a problem in the after life. So again, your point escapes me.
[citation needed]. This would be somewhat... surprising.