It’s articles like this that help confirm the obvious:
We hear a lot about how “social media” can be a signal to search engines. In this article, a Google Search Quality Analyst says that Google treats social media links just as any other link. That being said, social media CAN play a part in helping you have more real estate on the SERPS. Here is an example of a Michigan Basement Waterproofing company that is using this feature to its advantage.
It’s been a while since Google has shown YouTube queries in the SERPS for this keyword. You can kind of consider YouTube a social media site. Google’s Core Update hasn’t been too devastating. I imagine that smaller websites without a strong linking profile, have gotten a little bit more of the juice in the search results.