I think that IT system is important for F&B department because this department have to use IT system quite a lot such bill posting, billing, order food on system to relate with kitchen or called this system as POS: Point of sale which used to make bill payment when guests come to restaurant and use the service. For hotel, mostly of customers use online booking to reserve the room because they can booking by themselves easily, quickly, and conveniently. So, IT system is very useful for hospitality industry because it help staffs working with fast and correctly. I think the social media maybe make hotel business successful and make more profit easily.