Anywhere you can post that you won't be flagged for spam at your every move. Forums where you can contribute, Social media of any kind, Popular wordpress sites that allow comments. Promote something that can be remembered. Buy the domain name that exactly describes your business. Get the generic traffic. Work your seo to eloborate on your name or a least a brand that can be remembered.
I also got so many quality back links from google plus. beside LinkedIn and Pinterest Reddit drive a lot of traffic. Twitter is also vert effective the twitter strategy is different, Tumbler and stumble upon is good for some particular business.