Well, its getting more and more difficult for webmasters to get backlinks using white hat method. Reciprocal links dont work, forum links, blog comment, blog network all are nulled. But whats shining nowadays, backlink from shared content from social media sites. If Google find someone talking about your site on Google Plus netowrk, on facebook, twitter etc they ought to value this. I myself is coding some apps for generating social media backlinks from social media platforms. Anyone interested can check http://shareyt.com You can generate invaluable retweet, fb shared or Pinterest repin backlinks at a decent pace. This is not only good for SEO but also has huge potential for bringing in natural social media traffic to your site. If you like the resource post your shareyt username in the thread and I will endorse you with some free advertising credit from shareyt. Thanks for viewing.