Marketers are saying every business needs to be on social media and Social media is a powerful tool for e-commerce websites. The ability to not only direct shoppers toward a new product or an attractive deal, but to engage with them and create a sense of community, is incredibly useful. Effective social media used for E-commerce marketing includes direct sales through some networks, as well as having the back-end tools in place to let customers share products and recent purchases with friends and followers through just a single click.