Article submission helps you gain traffic as well as links from other site to your website. It is also one way to promote your content on sites like Quora, Reddit, etc. Submitting the article in article directory such as Go Articles, Now Public and many more can get links. You can use this technique to develop deep links.
Article submission sites are-
a) http://www.sites.google.com/
b) http://www.storify.com/
c) http://www.thefreelibrary.com
d) http://hubpages.com/
e) http://www.ehow.com
f) http://www.articlealley.com
g) http://www.howtoadvice.com
h) http://www.adarticles.net
i) http://www.newsvine.com/
j) http://www.yesarticles.com
k) http://www.magportal.com
l) http://www.highrankdirectory.com
m) http://www.articledashboard.com
n) http://www.articletrader.com
o) http://www.articlecube.com