The Innovation of Smart phone

1. Introduction

1.1. Brands

1.2. History

2. Entertainment

2.1. Mini games

2.1.1. different kind of games apps

2.2. Videos

2.2.1. Make video via smart phone

2.3. Photography

2.3.1. different kinds of tools

2.4. Music

2.4.1. ways of downloadind music apps

3. Advantages

3.1. make communication easries

3.2. time killer

4. Drawbacks

4.1. The loss of privacy

4.2. Addiction