33Across, the leading social targeting platform, has developed breakthrough technology called SocialDNA™ that uses social graph data to dramatically improve online marketing.

The New York City startup is just one in a growing legion of companies working to help businesses and brands better connect and interact with consumers in their social graph. 33Across identifies existing customers and brand loyalists and, through their connections, targets other high-potential customers.

In a statement by issued by Eric Wheeler, CEO and co-founder of 33Across, he acknowledged that “Social is top of mind for everyone these days given the incredible trajectories of companies like Facebook and Groupon. We speak with lots of clients who think are thinking about social more broadly than maintaining a Facebook page or Twitter account. 33Across offers a unique proposition to leverage similar dynamics that make Facebook and Groupon so popular, but for media programs delivered across the web. Which brand would not want to be able to reach potential customers or brand fans who are socially connected to their core customers? ”

33Across announced on Wednesday that it has closed a $9 million Series B round of funding led by Flybridge Capital Partners with participation from Series A investors First Round Capital and QED Investors. Flybridge Capital’s General Partner Jon Karlen will be joining the company’s board.