Can Quora build a for-profit version of Wikipedia?
Tweet The “crowdsourced” question-and-answer site Quora raised more than a few eyebrows on Monday by closing a new $ 50-million …
forprofit
After going for-profit, CouchSurfing faces user revolt
Tweet For years, CouchSurfing was one of the web’s gems. It did a simple thing well: connect people who need …