Customer experience is the interactions between the customer and the enterprise in the business relationship. It may include awareness, exploration, evaluation, purchase decision, retention, and after-sales service. The enterprises are always focusing on delivering better customer experience at every step of the customer buying process, not only for sales but also for customer retention. This process helps the enterprises to stay competitive in the market for the long run.
http://customerthink.com/5-apps-that-indirectly-help-enterprises-to-increase-customer-experience/