In the mythical, pre-Internet era the world of marketing was very simple. A customer simply walked in to your shop, you recommended him a product, and, more often than not, was sold. End of story. Now, everything is different as more and more businesses turn to online marketing. But it's not only about having a website that people can visit. It’s about encouraging them to visit regularly, buy your products or services and, preferably, to recommend your company to future clients. The marketing battle is fought inside the customer’s head as much as on your e-commerce site. Luckily, there are some savvy tricks which will help you to be on the winning side. Some of them are well-known and recommended by everyone: responsive design, low shopping charges, price anchoring, possibility to shop without an account, etc., etc. But now it’s time to learn about some more sophisticated yet often disregarded tricks to boost your return in investment (ROI)!