Core Digital Media specializes in online advertising, creating and managing marketing campaigns for clients in sectors like mortgage, education, insurance, and auto loans. They use a performance advertising model, earning revenue based on results such as clicks and leads, and their in-house marketing team ensures high expertise and control over campaigns. A notable service is LowerMyBills.com, which helps consumers find better rates on loans and insurance by partnering with over 500 service providers. The company's goal is to drive consumer engagement and conversions through effective advertising solutions.