Marketing is the driving force behind the selling of products and services. By studying an online course in marketing, you will become an expert in consumer behaviour and be able to influence sales for your business. These courses can lead to roles in retail marketing, advertising agencies, e-marketing, visual merchandising, customer service, account services and research marketing. You could work for a marketing or advertising agency, public relations firm, the marketing department of an organisation, or in a small business. Studying a course in marketing can take you pretty much anywhere, and the skills you’ll learn are applicable in every industry.