When you look at all of your various social media options, a good way to break them down is into social platforms vs. social networking sites.
Social platforms are like soapboxes; they allow you to establish your expertise and credibility, but provide a method for feedback and discussion. (i.e. blogging, YouTube or pod casting.
Social networks are more like a real-world networking event. Think about Facebook, Twitter, LinkedIn, Google+ and possibly Pinterest.
Since food trucks are considered B2C (business to consumer), it’s beneficial to choose work in the social networks first to focus on initially, and really develop a deep engagement level with your ideal customers there. As you master those channels, you can then start to expand into other realms.