WIFI
by Oscar Mui
1. usage
1.1. Mobile phone
1.1.1. Iphone
1.2. Computer
1.3. Notebook
1.4. Video game console
1.4.1. NDS
1.5. Printer
2. Disadvantage
2.1. Range
2.2. Data security risks
2.3. Interference
2.4. Affect health
2.4.1. Cancer