1. Advantages:
- Better employment opportunities
- High life standard
- Better education, medication, services, entertainment,...
- More modern
- Many relationships
Disadvantages
- Pollution
- Stress and work pressure
- High population density
- High cost
2. Advantages
- Easy to communicate with others
- Easy to update information
- Entertainment, education
- Business
Disadvantages
- Cyberbullying
- Lack of privacy
- Lack of security
- Waste of time
3. Some ways to preserve the culture
- Propaganda
- Advertise to other countries
- Develop the tradition