Virtual reality

1. Appearance

1.1. Stylish

1.2. black

2. Development

2.1. World

2.1.1. Hong Kong

3. Method of hear about

3.1. TV

3.2. Magazine

3.3. Newspaper

3.4. Internet

3.5. Social Media

3.6. Peer

4. Disadvantage

4.1. increase chance of short sight

4.2. Addiction

4.3. Expensive

5. Types of VR System

5.1. Non-immersive system

5.2. Immersive system

5.3. Semi Immersive system

6. Application

6.1. Entertainment

6.2. Education

6.3. Training

6.4. Medical

6.5. Engineering and Design

6.6. Business

7. Brand of Virtual Reality

7.1. Samsung

7.2. Play station

7.3. oculus Rift

7.4. HTC

8. Advantage

8.1. Convenience

8.2. Conferencing

8.3. Training