Social interaction with consumers: With the recent invention of social networks like facebook and twitter, business can create business pages then get followers for these pages. The process is so simple and free. For some business , they set a budget for building a fun base for their pages, so they use these pages to update and communicate with their followers. A good example is ‘’Nordstrom’’ this is one of the largest fashion retail businesses in America. Nordstrom used its facebook page to update followers about new items and discounts. A of today its facebook page has over 1,667,162 likes. See page facebook.com/Nordstrom