Question 1: I believe the most useful AR application is using a smartphone which deliver the right information and show the details of menu and prices about the interest location such as restaurant, ATM or hotel. That is because these information is very important to the forging tourist people who search for these places. Question 2: The intelligent is part of our future as we can see the graduation growth. For example if you want a soundproof a room, we can use insulation. But in the future their well be smart technology in using energy fields to isolate a particular space from the rest of the house. Like if any person wants to play music as loudly as another person wants in one room without disturbing anyone else. Another example, the intelligent technology will control the light. Also, people will be cleaning kitchen services either, automatically. Questions 3: The student should be attend the course at their free time because they have very busy schedule and we find very difficult to attend at this time. Question 4: The most useful technology is the Artificial Intelligence (AI) and it has already received a lot of buzz in the past decade, but it continues to be one of the new technology trends because of its notable effects on how we live, work and play are only in the early stages. AI is already known for its superiority in image and speech recognition, navigation apps, smartphone personal assistants, ride-sharing apps and so much more.