While the number of Internet users worldwide is constantly growing and reaches 1.7 billion, the diffusion of information technologies has improved the offer of tourist services in terms of efficiency, quality and flexibility. In a global travel market estimated at roughly $850 billion, $216 billion, or 25%, is booked online in the U.S.,
Western Europe and Asia Pacific, so more than half a trillion dollars in global travel sales is still waiting to be booked online. Currently, there is a large increase in the number of users who book directly on hotel websites