If you write useful posts which are full of great information, it works like crazy provided you disseminate information on the right channels.
Hubpages
Hub pages is web platform where you can promote pages (Lenses) and are a good way to promote your articles and links to your website.
Stumbleupon
It is a web search engine that can discover pages for it users. You can discover and rate webpages, photos and videos. Rating is via thumbs up or thumbs down approach. It is very popular service. Links are usually followed.
Buzzfeed
Another of a social entertainment company where you can put your post and articles. Creating links in Buzzfeed are great for traffic generation even if the links are nofollow.
Longreads
Longreads site publishes long features rather than the traditional headline and short posts.
Medium
Any very useful plateform where you can write story, post or an article. You can easily link your contents from post from here.
Fark
Interesting website where you can create a post and provide a link and you will get users engagement straight away. Normally the news or feeds are presented in a funny way.
EzineArticles
Article submission website which has over 494,501 active users. Free membership allows you to put your contents with links to your website. You can submit upto 10 article which depending on quality can get you a platinum membership with unlimited submissions.