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I just saw this question on Quora and it reminded me of the infinite monkey theorem:
Given enough time, a hypothetical chimpanzee typing at random would, as part of its output, almost surely produce one of Shakespeare’s plays (or any other text).
With all due respect to the answerers, Quora doesn’t seem like an efficient way to get answers to questions. A better analogy for Quora might be locking up a bunch of five year old children in a room and having them figure out what seven plus four equals.
Noticing this about Quora makes me appreciate the elegance of Wikipedia. Looking beyond their spam issues, there’s a self selection process that matches up specific topics with experts. It’s pretty amazing when you realize how much knowledge has been uploaded to Wikipedia by lots of smart people. That knowledge is easily accessible and reused at scale.
Compare that to Quora, which ignores existing knowledge repositories and reinvents the wheel constantly by having questions answered by smart people who are not necessarily subject matter experts.
EDIT: I guess this is also a problem with scientific research:
While brilliant and progressive research continues apace here and there, the amount of redundant, inconsequential, and outright poor research has swelled in recent decades, filling countless pages in journals and monographs.