There are various tools to get traffic to your blog/websites and one of them is "Asking,Answering".Let see how it works,what you all need to do is make an account on these websites than find Question to Answer by you or Ask Question to Answer by other users.Remember Question and Answer should on topic that is in your niche.
How these brings traffic to your blog/wesbite,So in any case whether Asking or Answering include your blog/website link which will build backlink to your blog/websites and search engine will fetch it.These will help you to building traffic to your blog/websites,Websites offers these services are.

YahooAnswer:-This will help in fast traffic and provide both Ask and Answer.

Blurtit:-It have both Ask and Answer features.

Answerbag:-It have both Ask and Answer features.