NEW YORK: About a third of consumers are not connecting with brands on social networks, which is an untapped market, according to a study from digital marketing company Razorfish. "Fluent: The Razorfish Social Influence Marketing Report" also found that 56% of consumers spend at least $50 online a month and that 80% belong to one to three social networks.

The study surveyed 1,000 customers about social media and e-commerce activity and, Shiv Singh, VP and global social media ...