Advertising services; Collection of market research information; Market research; Market research consultation; Market research services; Market research studies; Provision of an on-line marketplace for buyers and sellers of of data, namely, enabling the accessing, purchasing, and analysis of data; Provision of an on-line marketplace for buyers and sellers of services, namely, enabling locating, accessing, ordering, monitoring, and delivery of services; Provision of an on-line marketplace for buyers and sellers of favors, namely, enabling seeking, providing, and receiving of favors among individuals and entities; Public opinion polling; Public opinion surveys; Conducting public opinion polls; Provision of market research information