Nowadays, many industries and businesses operate their business operation through electronic platforms or it is called electronic commerce. The most popular platform is through the Internet or online portal, which give company the ability to do direct selling to the end-customers. The customers themselves also gain advantages from this business model as they can gain much information of products and services at home. Electronic commerce or e-commerce therefore supports the selling activity and marketing of these businesses. This paper attempts to reveal the advantages of doing e-commerce, which significantly support the marketing activity. Their main benefits include accessibility, speed and cost-advantage.