Wi-Fi

1. usage

1.1. connect to the internet anywhere we go

1.2. Share Files with Nearby Computers

1.3. Wirelessly Transfer Photos from Your Digital Camera

1.4. Sync Your Music Library, Photo Library, or Other Files with Your Smartphone USB-Free

1.5. Turn Your Smartphone into a Remote Control

2. devices can use Wi-Fi

2.1. personal computers

2.2. video-game consoles

2.3. smartphones

2.4. digital cameras

2.5. tablet computers

2.6. digital audio players

3. definition

3.1. a popular wireless networking technology

4. advantages

4.1. Convenience

4.2. Mobility

4.3. Productivity

4.4. Lower the productive cost

4.5. allows cheaper deployment of local area networks

5. limitation

5.1. Security

5.2. Low reliability

5.3. Range

6. background

6.1. technology

6.2. inventor

6.2.1. the Institute of Electrical and Electronic Engineers (IEEE)

6.3. important date

6.3.1. Wi-Fi was firstly developed in 1997

6.3.2. WiFi for the home began in earnest in 1999

6.3.3. The Wi-Fi Alliance formed in 1999