if you have a blog on one of the following topics than you have a chance to get free backlinks and traffic:

topics:

--SEO
--SMO
--SEM
--Adsense and Adwords
--internet marketing
--Social Media
--search engines
--How to's
--Infographics

just go to http://LatestSEOupdates.com and submit your new posts and updates....

it is just like social bookmarking...