Information and Communications Technology are widespread in all branches of the economy. This is the sector of the future, and it’s the foundation for the development of the 21st century society. ICT is getting faster every day and it’s affects on business of all developing companies. Information and communication technology is a set of all advanced systems for the collection, processing and transmission of information. Each medal has two sides, so the information and communication technology has its advantages and disadvantages. Advantages are, of course, bigger and more important, however, disadvantages have their influence in any business segment. ICT greatly affects tourism, in world and Republic of Croatia. Consumer in the digital age has much more information “on the palm” and his strength is in his intellectual skills and constant upgrading of knowledge. ICT sector in tourism best shows how to improve business and communication with tourists. Innovations in tourism have started to happen quite late because of its complexity, so they are neglected and and they did not pay enough attention to them. In today's world there are tourist facilities on the Internet swarming information, which in some way makes the choice of tourists difficult. However, with quantity, much more important is quality offered information. The information should be complete and timely to fulfill its task. ICT is key to overcoming difficulties in tourism and attracting as many tourists as possible as we can see on the example “smart hotels” who consider that investment in technology is the most important segment of business and advancement.