Facebook
Facebook is the most well-known social network and a great place to get your brand name out there. With over a billion users, there is a huge opportunity to reach potential customers. Facebook advertising also provides a unique outlet to reach people who you wouldn’t have been able to otherwise.
Twitter
Millions of business owners use Twitter to gain exposure, promote products and develop communities. The site allows for quick bites of information, that get shared all over the network. Users are also more likely to reach out to a brand on Twitter than almost any other social network.
Google+
While the network is not as large as Facebook or Twitter, the benefits of a Google+ account carry over into Search Engine Optimization. Content posted to a Google+ account can rank in search results where your website may not. The site is also integrated with Google Maps, making it easier for potential customers to find you.
Pinterest
This bookmarking social network is one of the fastest growing social sites. The space is a great place to advertise products and services, and shoppers referred to a website via Pinterest spend 10% more than those referred by other sources. Pinterest also allows a brand to discover what their community likes.