Not sure how you define value but Quora is creating quite a lot of it.
http://www.quora.com/Family/I-caught-my-younger-brother-watc...
http://www.quora.com/How-does-a-sixteen-year-old-get-a-girlf...
Look - I don't care if Quora wants to spam my inbox with link bait in order to generate AU and page views, but they could at least not try to take the high road and pretend to be anything more than the lowest common denominator, no-business-model, spam factory that they are.
http://www.quora.com/Interracial-Dating-and-Relationships/Wh...
and
http://www.quora.com/Dating-and-Relationships-1/How-do-Asian...
and
http://www.quora.com/What-is-the-worst-experience-youve-had-...
That right there is a whole lotta value.