Text Messaging

1. Usefuless

1.1. Maintain relationship with one another

1.2. Contact with others

2. Target Consumers

2.1. Teenagers

2.2. Adult

3. Advantages

3.1. Convenience

3.2. Meet new friends

3.3. Shroten the distance among friends

4. Types

4.1. Internet

4.1.1. MSN

4.1.2. Facebook messager

4.1.3. Skype

4.1.4. Google+

4.1.5. ICQ

4.2. Mobile phone

4.2.1. Whatsapp

4.2.2. Line

4.2.3. Skype

4.2.4. SMS

4.2.5. Tango

5. Disadvantages

5.1. Health

5.1.1. Get addicted

5.1.1.1. insufficient sleep

5.2. Social Network in reality

5.2.1. oral skills

5.2.1.1. difficult to communicate with others

5.3. Academic result

5.3.1. turning down