Smart Phone
作者：Kwai Fung HUI
1. brand
1.1. apple
1.2. samsung
1.3. LG
1.4. other
2. advantages
2.1. convenience
2.1.1. constant Internet access
2.1.2. endless applications and the all-in-one device
2.2. real-time collaboration
2.3. bring people closer
2.4. light and handy
3. disadvantages
3.1. expensive
3.2. privacy and security problems
3.2.1. scam messages with mobile apps
3.3. addiction problem
3.3.1. hinder real human interaction
3.3.2. health problem
3.4. lead to some serious accidents
4. presentation
4.1. Web page
4.1.1. prezi
4.2. Powerpoint
5. videos
6. game
7. technologies
7.1. fingerprint system
7.1.1. unlock the phone
7.2. blue-tooth system
7.2.1. transfer files
7.2.2. blue-tooth devices
7.3. GPS system
7.3.1. navigation
7.3.2. location
7.4. QR Code reader
7.4.1. identify QR code
7.5. NFC system
7.5.1. payment
7.5.2. data exchange
7.5.3. identification
7.6. touch screen
7.6.1. control the phone
7.6.1.1. move windows
7.6.1.2. zoom windows