What is the fine-grained topic of the following text: Ray is the founder of NewMR, author of “The Handbook of Online and Social Media Research,” and “The Handbook of Mobile Market Research,” and the editor of ESOMAR’s book “Answers to Contemporary Market Research Questions.” He’s also a prolific writer with 40 years of expertise in market research and innovation. Only return the topic.
Ray's career and contributions in market research and innovation