From video, I think that IT is important for tourism industry because everyone use social media at lease 1 account user for used to communicate with others around the world, which it easy to sign in such as Facebook, Twitter, Instagram, Line, YouTube, etc. Travel brands and airline can use social network to advertise and invite customers to use of service with fast and large number of customers. Social media and social network help customers have participate with activities of travel brands directly which make customer interested your brands more and can develop your business more. Nowadays, mostly customers use online booking to reserve anything because they can booking by themselves easily, quickly, and conveniently. Social media or network maybe make your business successful and make more profit easily.