How Agent Stimulus works:

We naturally and slowly build your +1 authority and social reputation, providing your website with Plus Ones that will help increase your websites rankings. When people search for your website you will be ranked higher and people will be able to find your website on Google +1 easier.

In the last few months we have seen ton of algorithm updates, and Social Signals like +1 are factoring into rankings. In many cases it is the difference being on the first page and not!