Zappos' Twitter account has more than 400,000 followers. It is a miracle built by its CEO Tony Hsieh on the social network. Most people who know Zappos learn about it through word of mouth. This legendary online retailer made a revenue of one billion US dollars last year by selling shoes online. If you are the owner of a business selling certain goods and if you want to become a tycoon in this industry, reading this blog now is the most important thing for you to do.