Quora added the follow button, a quick and easy way to get users to follow you on Quora without leaving your website. It’s an obvious copy of the Twitter follow button.
Quora also added boards (an obvious copy of Pinterest) just last week.
There’s no shame in emulation. All the social networks steal concepts from each other and rebrand them, just like every other business. The difference maker is marketing and unique product.
For Quora, that unique product is a large community of know how. Instead of looking up info from blogs and Wikipedia, Quora users ask a question and get the insight of someone who’s been there and done that. Experience is the best research.
Quora users also get votes for best answers and points for answer requests. I received 1 vote and 18 points for answering a question today about managing blog over consumption.
As far as I can tell, Quora is the only social knowledge base out there made for a community of curious people. If you want a crowd response, Google it. If you want a specific answer deeply experienced or researched, use Quora. To each his own.