CONCLUSION

Search for Q&A sites that are highly reckoned with and popular, and that share a common interest with your niche ,you can try out as many as possible sites in order to check which will be the most useful for your specific link building idea. Examples of such Q&A sites include Quora, Stack Exchange, Yahoo Answers, and so on. Always read carefully about their terms and conditions and rules so you dont get to breach any of it.