Virtual reality

1. Survey

1.1. knowledge with VR

1.2. attractive with VR

1.3. aspects can apply

1.4. insufficient with VR

2. introduction

2.1. What is Virtual Reality

2.2. Technology

2.3. Pros and cons

2.3.1. Pros

2.3.1.1. Simulate dangerous environment

2.3.1.2. Increase realism

2.3.1.3. User have awesome experiences

2.3.1.4. A comprehensive understanding of object/environment

2.3.2. Cons

2.3.2.1. High cost

2.3.2.2. Body may feel unwell

2.3.2.3. Need high technology to develop

2.3.2.4. The environment are similar but have difference

3. Application

3.1. types

3.1.1. Training

3.1.2. games

3.1.3. Real estate marketing