Welcome to this week’s Technology Updates, a vibrant mix of hot topics and future trends. The future is here. Hilton is going mobile. This is a big deal. 80 countries, 4 000 properties, 650 000 rooms, and you will be able to book online, customize your room and unlock the door. This is a $500 million project. It points to the fact that the penetration of mobile devices is such that they expect guests have a smart phone. Hilton is…