Ferchi

"And while the obvious, visual signals of this popularity may come and go in the SERP results, the effect of those gains in exposure certainly can influence how an item ranks," says Forrester. "Given no other signals for a new piece of content, a strong social signal can help your item get noticed and possibly take an early lead in rankings, allowing other signals to accumulate and either support or refute the assigned rankings. That's right, just like a big hit of social exposure can help you rank, a lackluster result can leave us wondering if you should be ranking."