For instance, traditionally, marketers were expected to rely on market research conducted by specialized agencies as well as in house teams to assess the demand and consumer preferences for a particular good or service.
Next, they were expected to coordinate with the R&D (Research and Development), Production, and Quality Control departments to time the release of the products or services. Further, they were then expected to undertake advertising and sales promotions that entailed managing the ad campaigns and supply chain as well as distribution channel management.