The Ultimate Automatic Authority Backlinks for Massive Traffic.
Here are some reasons why this is so powerful:
1. Good mixture of anchor text and natural links
2. The links are from authority sites that Google Loves
3. Google is placing a larger emphasis on social activity and sites
4. You are distributing your content to many different places
5. The post on all the different sites looks natural and not spammy
6. The link diversity for this is crazy good
If you only ever use one tool for high quality automatic backlinks to your site, this should be it.