http://www.dmoz.org/

As of Mar 17, 2017, dmoz.org is no longer available.

I wonder if a crowd sourced directory would still work. I'm guessing not, a search engine is 'good enough'.

>guessing not

Same.  Having seen how the majority react so negatively to forum format vs social, I don't think you could coax them to use it.

>>>>> crowd sourced directory would still work?

Only until the Hierarchy become so obsessed with POWER that they become A$$HOLES

Reddit and the like are sort of that in a way, but more timely and a hell of a lot more successful.