Let’s play a game! Imagine, you have a huge e-commerce store, or online catalog, or website portfolio. Things are going very well, every day hundreds (or even thousands) users visit your website, spent some time and then left, without any conversion action. What should you need to do, or change in order to return those visitors and to track their online behavior in the future? The general action plan included a huge list of steps, including all of the marketing …