How did Quora beat Yahoo Answers?
Why did Yahoo answers fail and Quora succeed?
What went wrong with Yahoo (2016)? What were the mistakes that Yahoo! committed that led to its decline and its current evaluation of $4.5 billion? Why did you fail? What has happened to Quora? What is Quora's answer collapse policy? What types of answers and reviews aren't allowed on Quora? Why do I often get 'Connection Error Try Again' when I try to read answers on Quora? Has anyone got fired because of their answers on Quora? What answers on Quora are "factually incorrect"? What is the meaning of "answer collapsed" in Quora?