Smartphones

1. What

1.1. Maps

1.2. Email

1.3. Social Networks

1.4. Music

1.5. Camera

1.6. Calls

1.7. Videos

1.8. Reading

1.9. Internet

2. How

2.1. Touchscreen

2.2. Keyboard

2.3. Eyegaze system

2.4. Voice controlled

2.5. Usb3.0, Thunderbolt, Bluetooth, multicard reader

3. Why

3.1. Easy

3.2. Handy

3.3. Connectivity

4. Where

4.1. Work

4.2. Mountain

4.3. Beach

4.4. University

5. When

5.1. Swimming

5.2. Dancing

5.3. Running

5.4. Skating

5.5. Studying

5.6. Travelling